News bites: Snowden got passwords from 20-25 coworkers

Former NSA contractor Edward Snowden may have convinced 20-25 of his coworkers to hand over their log-in credentials, which he used to obtain information about U.S. surveillance programs, Reuters reports.

Twitter's headquarters saw protests on the company's first day of trading on the New York Stock Exchange, The New York Times reports.

Groupon announced wider losses and lower sales, citing Google's new email sorting feature as a reason for the third-quarter numbers, according to The Wall Street Journal.

Facebook is testing a setting that would allow users to rate businesses even if they haven't been to the location, Inside Facebook reports.