"It was all so fast, there was no time for anything, no time for crying over a friend, " he said.

NPR: No Alarm, Only 1 Exit In Brazil Nightclub Fire

She was an easy mark when a friend invited her to an April seminar held by a company called BigSmart.com that promised fast money on the Internet.

FORBES: Con.com

"The problem is that today's online services turn friendship into fast food -- wrapping everyone in 'friend' paper, " Google executive Vic Gundotra writes in a blog post.

CNN: How Google+ compares to Facebook