How weird. You'd think they'd use the same code for each category, in order to make a valid comparison... ...or if they did that, they'd post youtube videos properly reflecting that!
I dislike single sign-on because there are services for which I want multiple accounts. If those services don't let me make a l/p with them, I have to log in and out of multiple facebook or gmail accounts to make it happen, which disrupts all my other browsing activities.
If there's a site where I want a business persona and a party persona, I should be able to just make two accounts and call it a day.
Wait, so are you agreeing or disagreeing with him? You say he's right twice, then you say he's wrong, all the while exemplifying that you're not the typical English speaker he's referring to, presumably with the intent of disproving him. Make up your mind!
Oh, never mind. I just saw the threat of violence at the end; I see logic was not your goal, nor indeed within your approach:)
1) As others have pointed out, not all humans are on Facebook. I'm sure the FB researchers would be hard-pressed to believe that, though.
More importantly,
2) The "six degrees" is supposed to be the MAXIMUM linkage between any two people -- not the average. Good job disproving something nobody ever claimed, guys!