AnDevCon IV, December 4-7 in Burlingame (San Francisco), is the technical conference for software developers building or selling Android apps.  It will offer one day of intensive workshops, followed by three days of technical classes.  More than 1,500 software developers, engineers and entrepreneurs from 40 nations are projected to attend AnDevCon IV and choose from 70+ classes to bring Android open source development to a high level. Exhibits admission is free:  visit more than 50 exhibitors!  Receive a $100 discount off the prevailing rate of either the 4-day or 3-day pass by inserting the code MEDIASPONSOR when prompted on the eRegistration page linked from www.andevcon.com