four Austin wireless companies were able to attend and showcase themselves at the CTIA press event, ShowStoppers, at a 70% cost savings. Digby (aka 30 Second Software), edioma, Media Excel, and BrainMedia.
This is a map of known Austin wireless hotspots taken largely from the list at Austin Wireless City's site: http://www.austinwirelesscity.org/hotspot-list.php.