City unveiling WiFi hotspots today
                                
                                
                                    (Newser) -
                                    New York City still has  thousands of pay phones  on its sidewalks, but many have been gathering dust in the cellphone era. This month, the city will start replacing them with free WiFi hot spots, the  Wall Street Journal  reports. Ultimately, more than 7,500 phone booths will be turned...