The Twitter symbol is displayed at the post where the stock is traded on the floor of the New York Stock Exchange. Photograph: Brendan McDermid/Reuters

Twitter , whose stock has surged 150 per cent since it went public in November, has a lot to live up to when it reports quarterly earnings for the fir(...)

Is Facebook the first  mobile-first company. Photographer: Andrew Harrer/Bloomberg

Ten years after its founding as a simple website for a few thousand Harvard undergraduates to manage their social lives, Facebook is a far different c(...)

Is the social media giant doomed to extinction? Photographer: Daniel Acker/Bloomberg

Facebook has spread like an infectious disease but we are slowly becoming immune to its attractions, and the platform will be largely abandoned by 201(...)

Five of the 10 best-paid finance chiefs last year work in the technology industry, as executives at companies from Apple to Google were rewarded for increasing profit, amassing cash and minimising taxes. Photograph: Justin Sullivan/Getty Images Five of the 10 best-paid finance chiefs last year work in the technology industry. Photograph: Justin Sullivan/Getty Images

Five of the 10 best-paid finance chiefs last year work in the technology industry, as executives at companies from Apple to Google were rewarde(...)