In this bit of the real world
Yesterdays 'Guest' DHCP, which is essentially a record of tourist visitor devices, showed 41 'droids, 37 iPhonze* and 6 Winthings, for a 49 / 44 / 7 % breakdown. I think I saw a Blackberry appear on there once...
*probably a bit inflated by the Japanese student group who appeared to own matching sets of airs, phones, pads and pods. There's probably also a skew towards Apple owners because we charge for admission ; )