(Top) Grace E. Earle, standing, chief operator, and five other telephone operators work at the White House switchboard located on the second floor of the west wing in Washington, D.C., on Sept. 28, 1955. (AP Photo)
(Bottom) File - In this Saturday Aug. 13, 2011 file photo, Nick Sabatasso checks his cell phone while waiting for a BART train at San Francisco's Civic Center station. With a protest looming Monday over the fatal shooting by a transit officer, Bay Area Rapid Transit officials are deciding whether to shut down subway cell phone service a second time to thwart anarchists who retaliated by hacking and posting personal information on thousands of the agencyÃs passengers. San Francisco and BART police are preparing for an evening rush-hour demonstration over the recent shooting of a man wielding a knife. (AP Photo/Noah Berger, File)
