Reminds me a post from David Cohen [1] who pointed to Brad Feld on the same topic [2].
Time to wake up that bro courage and start fist-bumping people ;)
With hugging there's always also the dilemma of whether to pat a few times or just a strong hug, so the CPU cycles just drive me mad.
[1] http://www.davidgcohen.com/2012/11/20/not-shaking-hands/
[2] http://www.feld.com/wp/archives/2009/01/im-done-with-handsha...