Do y'all FB (AOL,Yahoo!) users think you are critical thinkers and have a nose-for-news ? Read all these links and dissect them if-you-can.
Anyone resorting to (lame) "it is so convenient" will be asked to turn-in there thinking caps.

Undercover reporter reveals life in a Polish troll farm

[theguardian.com]

How much news makes it into people’s Facebook feeds? Our experiment suggests not much

[niemanlab.org]

IMO The above links should be required reading for all active FB users -- especially those in this category :

Many Facebook users don’t understand how the site’s news feed works

[pewresearch.org]