Regardless if it's a credible source or not, employers have added the act of lurking Facebook pages as a part of the behind-the-scenes interview process. This is a well-documented fact of many industries:
...and dozens more. Like it or not, credible or not, it's happening right now. There are possible legal ramifications
for doing this, but the whole thing is in an embryonic stage right now.
I find it amusing when some of them have asked me in the past for my Facebook address and I told them I didn't have one. They would ask how I could possibly not have a Facebook page, being a web developer of 18 years. I respond I don't have a Facebook page BECAUSE I've been a web developer of 18 years.