The inane chatter and the number of adults on Facebook is putting some teens off
The company last made the annual BrandZ ranking in 2009
Full-quality image uploads and a photo-rich interface are at the heart of the updated service
More ads could destroy Tumblr's brand, but the site could also gain loads more users, experts say
Now may be the perfect moment for outreach, some say
More support to help with backend testing is high on developers' wish lists
The Bitcoin Foundation is not deterred by recent setbacks for the digital currency
Further opening the company's services to developers was a focus at the show
Google is facing questions from Congress over the privacy issues raised by Glass
Several social networking services now have apps aimed at connecting Google Glass wearers
