I think people who say "I'm more comfortable talking to people who use their real names" or "they should find another social network" don't realize just what a broad swath of the population is being eliminated by this policy. ... For some excellent personal statements on the importance of name privacy, see http://my.nameis.me/ If you're wondering where I came up with "ten or more percent of the population", that's what I believe is a conservative estimate, based on the number of people on Facebook who don't use their real names.