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I do not provide my personal data, including my real name on social media. I don't accept any Facebook friend requests or LinkedIn connection requests, which my friends understand.
However, I was wondering, how much it can hurt my future job chances. I am open for job offers, but do not want my name being "googlable" or any other personal information, as we simply do not know, who and what can do it in 40 years, and there is no simple way to "erase" our name from Internet.
Does it look strange, that someone who worked for three IT companies doesn't have a LinkedIn profile?