Jane Martinson and Mark Sweney: The Huffington Post's founder on its new emphasis on lifestyle and wellbeing, life at AOL – and leaning back like a cat
Radio 4 suffers technical fault meaning World Service broadcast instead of weather forecast that first went on air in 1924. By John Reynolds and Mark Sweney
Elena Cresci creates clothes so often she now barely buys any. The former fashion addict reveals why it's so much fun even if she sometimes stabs herself with pins
Rhik Samadder: The enigmatic philanthropist leaves $100 in envelopes in San Francisco as a social experiment in the redistribution of wealth – and has urged those who find the money to pass it on
Jonathan Jones: Vintage pictures shared online by accounts such as Retronaut, HistoryInPics and IndiaHistoryPic capture moments gone for ever, but as vividly as the here-and-now. It's a heady mix of nostalgia and history