4 The Timeline  1840s – Telephone invented  1870s – Commercially available with leased point-to-point service  Early 1900s – Telephones with exchanges and networks as we know them today  Mid 1990s to 2001 – First Internet boom  2003 – WordPress blogging software  2004 – Facebook (300 million members)  2005 – YouTube (5 billion video views per month)
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