Do you follow Celebrities on Twitter? How do you know they are who they say they are?

For example, I recently added my state’s governor – but only after visiting his official campaign page to see the link to his Twitter profiles. In general, how do you come to believe the people you follow on twitter actually are the people they say they are, rather than random fans who registered that user name?

please, no rants about how much you hate and/or never use Twitter here. There’s other questions for that…