Foursquare overhauls Swarm app for life-logging fans

The redesign of this still-healthy social media app brings your check-in history to the fore

Storyful founder backs new social change start-up

New non-profit marketplace connects proven ideas with individuals and teams hoping to improve local communities

Rise of mindful tech: every step you take, every move you make

Chris Dancy tracks every aspect of his life through wearable sensor devices – and soon, he predicts, so too will you

20 Day Stranger app may not be as strange as it sounds

Using this app you and a mystery person can share your life experiences anonymously

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New York in need of fresh boost to stay on track for Silicon City status

Turning the Big Apple into a high-tech innovation centre has not turned out as easy as was recently hoped

Twitter acquires data startup Gnip for an undisclosed sum

Company was the first to partner with Twitter to make its social data available

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