A New York man who rented his apartment through Airbnb was found to have violated the city’s residency laws, marking the first legal setback for the peer-to-peer home rental start-up as it faces a growing number of regulatory questions. An administrative law judge ruled that Nigel Warren had broken a 2010 New York City law when he accepted about $600 from a Russian tourist to stay in his...

African-American teenagers are more likely to use Twitter than their white counterparts, according to a study out today from the Pew Research Center. Researchers noted a significant jump in Twitter use among teens in general , but found that 39 per cent of African-American teens used the microblogging site compared to 23 per cent of white teens. Continue reading »

Apple chief executive officer Tim Cook takes the hot seat on Tuesday morning in Washington to answer questions about a tax planning strategy that has enabled it to avoid billions of dollars of taxes. Carl Levin, chairman of the Senate investigations committee, set the tone with his opening remarks, noting that just in 2012, Apple had exploited tax loopholes allowing it to avoid $9bn in US taxes.