In its monthly report on web activity, the ratings firm Comscore revealed that Pinterest was the third fastest growing site in the United States, with its audience rising from 7.5 million unique visitors in December to 11.7 million in January.

BBC: Pinterest - hot new network or another Quora?

The Bundesbank's monthly report for February forecast that the rest of 2013 will see a gradual pick-up in activity in Europe's biggest economy.

BBC: German economy to return to growth, says Bundesbank