3 ms·
Over 2 Billion cellphones in the world - according to WolframAlpha (http://www06.wolframalpha.com/input/?i=cellphones+worldwide http://www06.wolframalpha.com/in
by raghus 17y ago
Over 2 Billion cellphones in the world - according to WolframAlpha (http://www06.wolframalpha.com/input/?i=cellphones+worldwide http://www06.wolframalpha.com/input/?i=cellphones+worldwide)