THIS. I always tell people, when they exclaim that I am not on Facebook, that I grew up in the "Never Ever Give Your Personal Info Online" generation. :D
I have even asked friends of my RL-journal not to use my real name in posts about our group activities, to use my LJ name instead. (Note that usage -- I have separate journals for RL and fandom! It makes me feel very old-school, sometimes. :D I'm not going to give it up, though -- there are a host of reasons, from the minor to the quite major, for me to keep those aspects of myself separate, and I refuse to use any service which will not grant me the right to do so.)
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I have even asked friends of my RL-journal not to use my real name in posts about our group activities, to use my LJ name instead. (Note that usage -- I have separate journals for RL and fandom! It makes me feel very old-school, sometimes. :D I'm not going to give it up, though -- there are a host of reasons, from the minor to the quite major, for me to keep those aspects of myself separate, and I refuse to use any service which will not grant me the right to do so.)