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Time it takes to reach 150 million users

Sunday, June 14, 2009

Telephone  1876 to 1965 = 89 years

Television 1928 to 1966 = 38 years

Cell phone 1983 to 1997 = 14 years

iPod  2001 to 2008 = 7 years

Facebook 2004 to 2009 = 5 years

Source: Fortune

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