On September 18, 2007, Pat Gelsinger demonstrated USB 3.0 at the Intel Developer Forum. USB 3.0 is targeted at ten times the current bandwidth, reaching roughly 4.8 Gbit/s (600MB/s) by utilizing two additional high-speed differential pairs for "Superspeed" mode, and with the possibility for optical interconnect. The USB 3.0 specification was released on August 13, 2008 and commercial products are expected to arrive in 2009 or 2010. USB 3.0 is designed to be backwards-compatible with USB 2.0 and USB 1.1 and employs more efficient protocols to conserve power.
#Source-http://en.wikipedia.org/wiki/USB#USB_3.0
Imagine transfering 1gB of data from your external hard drive in 2 secs or slightly lesser. Thats Cool.
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