Study finds Facebook, Twitter users 'obsessed' - Silicon Valley / San Jose Business Journal:

About half of Facebook and Twitter users say they check the social networks after they go to bed at night or first thing in the morning, a new report says.

The Retrevo Gadgetology Report titled "Is social media an addiction?" found that about 16 percent of users of these services say it's how they get their "morning news," but that rate rose to 23 percent among owners of Apple Inc.'s iPhone...