Smart people won't be doing this forever
                                
                                
                                    (Newser) -
                                    Ever sent a tweet to tech support? It beats the heck out of calling, Simon Dumenco discovered recently, when a whining appeal to @sprintcare yielded a prompt, personal, pitch-perfect response. Sounds great, right? Well, don’t expect it to last long, Dumenco writes for  Advertising Age , because the current corporate...