Study : About 25 % of Facebook users falsified information in profiles to protect their privacy . That 's up from 10 % in a similar survey two years ago . The site has limits -- real names and real e - mail addresses are required . Other reasons to be on Facebook : as part of professional practice or for fun .
Study : About 25 % of Facebook users falsified information in profiles to protect their privacy . The site has limits -- real names and real e - mail addresses are required . Other reasons to be on Facebook : as part of professional practice or for fun .