The best thing about Twitter is that it has become an easy way for the famous folks to directly interact with the public. It's also one of the worst aspects of Twitter, mostly because many of your people don't know how to act. There are numerous ways to get your favorite celebrity's attention, only where it registers on the pathetic meter depends on how you behave. Take heed to the options listed and try not to embarrass the friends who keep you company offline. And remember: There's an avid fan and there's Yolanda Saldivar. Tweet your favorites accordingly.