Rashard Mendenhall was an NFL running back who played for the Steelers. He faced controversy after posting his controversial views on Twitter about Osama Bin Laden's death. This led to backlash and the loss of his endorsement deal. He later apologized but still faced criticism as a role model. He retired in 2014 early, which some speculated was due to the Twitter controversy. The document stresses the importance of proper social media etiquette and shows how online posts can have real-life repercussions.