I got some grand kids that use Facebook. IMHO, it does much more harm than good.
Facebook is just a tool ... And cannot harm anyone.
People can cause mischief and ill will towards others with or without Facebook.
I just think it funny when people dislike or hate Facebook because of what the people they know do.
Facebook didn't make them who they are ... It just makes it easier for others to see who they are.
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A lot of stupid people have been harmed by FB. Not saying I feel for them as I am a fan of Darwin. Just pointing it out.