social media companies

Twitter COO Dick Costolo Replacing Evan Williams as CEO

Twitter CEO Evan Williams is stepping down from the top job at the microblogging service to direct product strategy. Chief Operating Officer Dick Costolo, a successful entrepreneur and former Googler, will assume CEO duties.

There's No Hiding: Nine Industries That Know Your Every Move

Don't kid yourself. Real privacy no longer exists in this country. From your hobbies to your income to your phone calls, pretty much everything about you is tracked by someone, somewhere. We've examined the most intrusive firms and industries -- some of them may surprise you.