By 2013, annual global IP traffic will reach 667 exabytes (667 billion gigabytes), according to the new Cisco Visual Networking Index (VNI) Forecast and Methodology, 2008-2013.

Video communications traffic will increase 10-fold from 2008 to 2013 and mobile data traffic will roughly double each year from 2008 to 2013, increasing 66 times between 2008 and 2013, with video accounting for 64 percent of it by 2013.

Source: Cisco news release