Facebook hits billion users amid revenue worries

Facebook on Thursday celebrated eclipsing the billion-member mark, touting its mission to make the world more social while investors wondered how the service would cash in on its popularity.

Facebook on Thursday celebrated eclipsing the billion-member mark, touting its mission to make the world more social while investors wondered how the service would cash in on its popularity.

Shares in beleaguered telecom giant Nokia plunged to a 16-year low on Monday after Microsoft said its Windows 8 upgrade would not work on Nokia’s new flagship smartphone, the Lumia 900 model.

Culture-changing technology outshined crude oil on Wednesday with iPhone and iPad maker Apple eclipsing ExxonMobil as the most valuable company in the world based on the value of its stock.