Doing a little math you find those asymmetric connectors costs more than 4 Million man-hours per year.
That's as much as Pac-Man on Google.

source: http://blog.bottomlessinc.com/2010/08/usb-connectors-wasting-4-million-man-hours-per-year/

This will of course benefit Microsoft Bing if you remember that Microsoft invested $240M in Facebook back in 2007 (see Facebook's press release)