[annadane]

Comments that tend to be critical of Facebook tend to get downvotes, at least early on in the discussion; it's hard not to suspect something may be going on

[bryan_w]

From the guidelines link at the bottom of the page:

"Please don't post insinuations about astroturfing, shilling, brigading, foreign agents and the like. It degrades discussion and is usually mistaken. If you're worried about abuse, email [e-mail] and we'll look at the data."