U.S. News & World Report outlines in an article posted today five ways you use your PC can get you fired. Of course, there's the viewing of inappropriate content and playing games like Solitaire. (New York City Mayor Michael Bloomberg fired an employee after seeing the game on his computer monitor.) But also included on the list are some not-so-obvious uses, such as blogging, posting photos on your social network site and writing inappropriate or offensive emails. These offenses happen more than you may think: "Nearly one third of bosses have fired workers for misusing the Internet, according to a recent study by the American Management Association and the ePolicy Institute," U.S. News reports.