'Cryptic' image may be a peek at Super Bowl ad
                                
                                
                                    (Newser) -
                                    Tom Brady posted a cryptic photo on  Twitter  and  Instagram , and we know it's "cryptic" because that's the word being used in pretty much every story about it, including at  USA Today ,  Fox Business ,  NBC Sports ,  Business Insider ,  MLive , etc. The caption-less image shows a silhouetted Brady...