[war1025]

You can gain the acquaintance of quite a few strangers by joining groups.

My town has a general discussion Facebook page. I don't know that any of the people would recognize me on the street, but there are quite a few names I recognize now. This has been really handy since I didn't grow up here, and in small town America that often means people just won't get to know you because you "don't belong".

Also my wife is involved in several interest based groups. Mainly related to sewing and thrifting and such.

I don't know that it makes the world a better place, but it certainly can expose you to people you wouldn't otherwise ever have interacted with.