Did you know Google/Facebook directs what pages/links an individual may find on his screen? Depending on where you live, what your interests are, your affiliation of many things? MOST likely mine is totally different information and or links than what yours is. Click the link and listen to the young man talk about this. I'd never have dreamed that we are steered! in whatever direction 'someone' wants us to go!
From TED.com, TED a good place to learn things we didn't know before!
click on it and raise your awareness.