Science says facebook makes you happy.

Scientists have spoken.  Facebook makes you have higher self esteem.  It's on CNN, so it must be fact.

Nevermind the fact that the set up went kind of like this:

Nevermind the fact that they COULD have had Group B playing a game or, I dunno, reading ridiculous faux science articles on CNN rather than staring into a mirror for five minutes.  No.  This is science.

Correlation DOES imply causation, so long as the something trendy is proven beneficial.