RWW Most Promising Company of 2011: Simplegeo
readwriteweb.com
readwriteweb.com
2009: Aardvark
2008: Zoho
2007: Twitter
2006: YouTube
2005: 37signals
2004: Flickr(Ludicorp)
Look at these "little companies" from just a few years ago. I love the new speed of business.
Geolocation technology is around for decades, with widely supported standards and a number of open-source servers available. Augmented Reality in the other hand sounds very challenging, due to image manipulation and dealing with an environment with limited resources (mobiles).
Am I missing something?
However, we were looking into using Augmented Reality as the delivery mechanism for these games. Then we open sourced the AR stuff that we had built to that date: https://github.com/simplegeo/SGAREnvironment