ABOUT THE SPEAKER
Evan Williams - Twitter co-founder
Evan Williams is the co-founder of Twitter, the addictive messaging service that connects the world 140 characters at a time.

Why you should listen

Evan Williams helps the world answer the question "What are you doing?" Twitter, the tiny, free world-changing app Williams helped launch, has become a vital connector of people and communities (as well as a fantastic way to keep up with Shaq and Demi Moore).

Before Williams worked on Twitter, he was part of a previous revolution in mass communication, Blogger, while working at Google. He left Google in 2004 to launch the podcasting service Odeo, and Twitter spun out from this in 2006 as a side project based on an idea of Jack Dorsey's.

More profile about the speaker
Evan Williams | Speaker | TED.com
TED2009

Evan Williams: The voices of Twitter users

Filmed:
1,267,194 views

In the year leading up to this talk, the web tool Twitter exploded in size (up 10x during 2008 alone). Co-founder Evan Williams reveals that many of the ideas driving that growth came from unexpected uses invented by the users themselves.
- Twitter co-founder
Evan Williams is the co-founder of Twitter, the addictive messaging service that connects the world 140 characters at a time. Full bio

Double-click the English transcript below to play the video.

00:18
Four years ago, on the TED stage,
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I announced a company I was working with at the time
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called Odeo.
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And because of that announcement,
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we got a big article in The New York Times,
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which led to more press, which led to more attention,
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and me deciding to become CEO of that company --
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whereas I was just an adviser --
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and raising a round of venture capital
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and ramping up hiring.
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One of the guys I hired was an engineer named Jack Dorsey,
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and a year later, when we were trying to decide which way to go with Odeo,
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Jack presented an idea he'd been tinkering around with for a number of years
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that was based around sending simple status updates to friends.
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We were also playing with SMS at the time at Odeo,
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so we kind of put two and two together,
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and in early 2006 we launched Twitter as a side project at Odeo.
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Now, it's hard to justify doing a side project
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at a startup, where focus is so critical,
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but I had actually launched Blogger as a side project
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to my previous company,
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thinking it was just a little thing we'd do on the side,
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and it ended up taking over not only the company,
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but my life for the next five or six years.
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So I learned to follow hunches
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even though you can't necessarily justify them
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or know where they're going to go.
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And that's kind of what's happened with Twitter, time after time.
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So, for those of you unfamiliar,
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Twitter is based around a very simple, seemingly trivial concept.
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You say what you're doing in 140 characters or less,
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and people who are interested in you get those updates.
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If they're really interested,
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they get the update as a text message on their cell phone.
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So, for instance, I may Twitter right now
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that I'm giving a talk at TED.
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And in my case, when I hit send,
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up to 60,000 people will receive that message in a matter of seconds.
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Now, the fundamental idea is that Twitter
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lets people share moments of their lives
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whenever they want,
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be they momentous occasions
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or mundane ones.
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It is by sharing these moments as they're happening
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that lets people feel more connected and in touch,
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despite distance, and in real time.
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This is the primary use we saw of Twitter from the beginning,
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and what got us excited.
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What we didn't anticipate was the many, many other uses
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that would evolve from this very simple system.
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One of the things we realized
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was how important Twitter could be during real-time events.
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When the wildfires broke out in San Diego,
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in October of 2007,
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people turned to Twitter to report what was happening
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and to find information from neighbors
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about what was happening around them.
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But it wasn't just individuals.
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The L.A. Times actually turned to Twitter to dispense information as well,
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and put a Twitter feed on the front page,
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and the L.A. Fire Department and Red Cross
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used it to dispense news and updates as well.
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At this event, dozens of people here are Twittering
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and thousands of people around the world are following along
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because they want to know what it feels like to be here
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and what's happening.
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Among the other interesting things that have cropped up
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are many things from businesses,
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from marketing and communications and predictable things,
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to an insanely popular Korean-barbecue taco truck
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that drives around L.A. and Twitters where it stops,
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causing a line to form around the block.
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Politicians have recently begun Twittering.
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In fact, there are 47 members of Congress
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who currently have Twitter accounts.
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And they're tweeting, in some cases,
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from behind closed-door sessions with the President.
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In this case, this guy's not liking what he's hearing.
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The President himself is our most popular Twitter user,
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although his tweets have dropped off as of late,
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while Senator McCain's have picked up.
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As have this guy's.
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Twitter was originally designed as a broadcast medium:
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you send one message and it goes out to everybody,
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and you receive the messages you're interested in.
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One of the many ways that users shaped the evolution of Twitter
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was by inventing a way to reply to a specific person
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or a specific message.
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So, this syntax, the "@username" that Shaquille O'Neal's using here
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to reply to one of his fans,
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was completely invented by users,
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and we didn't build it into the system until it already became popular
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and then we made it easier.
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This is one of the many ways that users have shaped the system.
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Another is via the API.
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We built an application-programming interface,
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which basically means that programmers can write software that interacts with Twitter.
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We currently know about over 2,000 pieces of software
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that can send Twitter updates --
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interfaces for Mac, Windows, your iPhone, your BlackBerry --
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as well as things like
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a device that lets an unborn baby Twitter when it kicks
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or a plant Twitter when it needs water.
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Probably the most important third-party development
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came from a little company in Virginia called Summize.
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Summize built a Twitter search engine.
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And they tapped into the fact
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that, if you have millions of people around the world
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talking about what they're doing and what's around them,
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you have an incredible resource to find out about any topic or event
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while it's going on.
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This really changed how we perceived Twitter.
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For instance, here's what people are saying about TED.
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This is another way that our mind was shifted,
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and Twitter wasn't what we thought it was.
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We liked this so much we actually bought the company
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and are folding it into the main product.
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This not only lets you view Twitters in different ways,
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but it introduces new use cases as well.
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One of my favorites is what happened a few months ago
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when there was a gas shortage in Atlanta.
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Some users figured out
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that they would Twitter when they found gas --
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where it was, and how much it cost --
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and then appended the keyword "#atlgas"
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which let other people search for that and find gas themselves.
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And this trend of people using this communication network
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to help each other out
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goes far beyond the original idea of just keeping up with family and friends.
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It's happened more and more lately,
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whether it's raising money for homeless people
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or to dig wells in Africa
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or for a family in crisis.
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People have raised tens of thousands of dollars over Twitter
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in a matter of days on several occasions.
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It seems like when you give people easier ways to share information,
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more good things happen.
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I have no idea what will happen next with Twitter.
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I've learned to follow the hunch,
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but never assume where it will go.
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Thanks.
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(Applause)
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Chris Anderson: We're not quite done yet.
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So, look, if we could have this screen live.
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This is actually the most terrifying thing that any speaker can do
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after they've been to an event.
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It's totally intimidating.
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So, this would be the Twitter search screen.
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So we're going to just type a couple of random words into Twitter.
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For example: "Evan Williams."
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"Evan Williams, give people more good ways to share information and follow your hunch at TED."
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"Currently listening to Evan Williams." "Currently listening to Evan Williams." "Evan Williams --"
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Oh.
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"Evan Williams is just dying on stage here at TED.
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Worst talk ever!" (Laughter)
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Evan Williams: Nice. Thanks.
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CA: Just kidding.
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But, literally in the eight minutes he was talking,
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there are about fifty tweets that already came on the talk.
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So he'll see every aspect of the reaction:
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the fact that Barack Obama is the biggest Twitterer,
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the fact that it came out of TED.
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I don't think there's any other way of getting instant feedback that way.
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You have build something very fascinating,
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and it looks like its best times are still ahead of it.
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So, thank you very much, Evan. EW: Thank you.
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CA: That was very interesting.
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ABOUT THE SPEAKER
Evan Williams - Twitter co-founder
Evan Williams is the co-founder of Twitter, the addictive messaging service that connects the world 140 characters at a time.

Why you should listen

Evan Williams helps the world answer the question "What are you doing?" Twitter, the tiny, free world-changing app Williams helped launch, has become a vital connector of people and communities (as well as a fantastic way to keep up with Shaq and Demi Moore).

Before Williams worked on Twitter, he was part of a previous revolution in mass communication, Blogger, while working at Google. He left Google in 2004 to launch the podcasting service Odeo, and Twitter spun out from this in 2006 as a side project based on an idea of Jack Dorsey's.

More profile about the speaker
Evan Williams | Speaker | TED.com