Cramer Answers Twitter Questions on Oil, Tesla, Facebook, Retail

Jim Cramer answers viewers' Twitter questions from the floor of the New York Stock Exchange. With many viewers asking about falling oil prices, Cramer reveals whether now is a buying opportunity for names like Royal Dutch Shell and Exxon. If oil keeps dropping and stays low, Cramer weighs in on what that means for electric car-maker Tesla and which retail names are poised to benefit the most. He also answers viewers looking for insight on rental car company Hertz and Facebook. Plus, after appearing on ESPN's NFL Countdown, where he likened football players to major companies, Cramer reveals what stocks he'd call quarterbacks Tom Brady and Aaron Rodgers after the Green Bay Packers defeated the New England Patriots on Sunday.