Complex: Twitter is supposed to be nothing more than a space for people to offer short thoughts on any given topic. Unfortunately for those in the public eye, Twitter is proving why certain folk shouldn’t be allowed to share anything without proper supervision. In a rundown of some of the biggest Twitter failures of all time, we see athletes, celebrities, politicians, and even your average fool fall victim to sexism, racism, arrogance, ignorance, and in some cases, their unchecked libidos. (Services, Twitter, Web)