Ring, ring… These days, it's almost impossible to catch a movie or grab a bite to eat at a restaurant without having the experience interrupted by the sound of a cell phone ringing."Sometimes I go into a restaurant and I want to enjoy a meal or coffee and quietly read, and someone begins talking really loud on their cell phone. It's obnoxious," said a guest in restaurant.

With more than 100 million cell phones worldwide and growing, the problem is likely to get worse. In the United States alone, it's estimated that in five years 84 percent of U.S. citizens will have a mobile phone. People are calling for a mobile phone jammer.

But a backlash against the cellular nuisance has already begun. In restaurants across the United States, signs asking diners to turn off their phones are becoming increasingly common. In Maine's Baxter State Park, mobile phones are illegal except for emergencies. The resistance has even reached the White House: the government has reportedly banned cell phones from staff meetings. The social condition brings out the buy mobile phone jammer.