Colour-coded map reveals the hidden life of Tweets.
Trick or Tweet brings Halloween to families separated by illness.
Indigenous Tweets helps keep endangered languages alive.
Adam DeVon Miller raised money for kids with a bike, T-shirt and Twitter.
Carjacking victim rescued with a Tweet.
Maritza Lugo draws on her imagination to illustrate your Tweets.
Daniel Jones, Peter Gregson and Britten Sinfonia created music from Tweets.
Lauren Lane and Daniel Welch recovered their hopes for a perfect wedding.
Arijit Guha fought for insurance coverage, and won.
Francis Kariuki uses Twitter to find lost sheep and scare off thieves.
Steve Berry fought crime with a Tweet.
Jerry Rizzo tweeted his way to a dream job in the NBA.
Mark Hayward used Twitter to help save a dog’s life.
Reporter Brian Stelter lost 75 pounds on Twitter.
Wael Ghonim became a symbol for the #Jan25 pro-democracy movement in Egypt.
Sohaib Athar inadvertently live-tweeted the raid on the Osama bin Laden compound.
Daniel Morales reunited with his daughter after 11 years.