Phil Fearnley, general manager of news and knowledge at BBC Future Media, predicts an explosive year for takeup of new technology as the Olympic games come to London

David Singleton, a lead engineer at Google, marks a mammoth year for the internet giant's social ambitions, and looks ahead to a year when the internet will help out the ailing high street

Benjamin Cohen, the Channel 4 News technology correspondent, reflects on a pivotal year for tech firms and looks ahead to the year when Mark Zuckerberg's Facebook will grow up

Mark Foster, the managing director of Deezer UK, on a big year for the upstart music service and another one ahead as its Facebook partnership takes hold

Mark Rock, founder and chief executive of Audioboo, says the past 12 months highlighted how "marginal" traditional media is becoming – and forecasts a big year in data privacy

Spotify's vice president of marketing, Angela Watts, marks a "watershed" for the music industry and hints at big news in 2012 from the digital streaming service