Another comment made me think of this, what if you can't find someone from your past?

I don't need to find anyone particularly, but where did the people go who you used to know but can't find on the Internet or anywhere?
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Well this was interesting, I never knew there were so many people who cared about privacy or anonymity. It seems like everyone just gives away all their personal information for nothing. When you type my name in, I show up everywhere (though you can't get to me physically, i. e., you can't just walk up to my front door). I'm 19, so friends from the past being dead is not a high probability, but it is weird for people my age not to be all over social media. Thanks for the responses.
Another comment made me think of this, what if you can't find someone from your past?
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