Location Based Advertising
Interesting article on GigaOm. We have been waiting for this for a long time with not much uptake. However, agree with Om that this might finally happen. In addition to most of the points made in the article, I feel that the uptick in Smartphone sales with an internet connection is a key driver for this market.

Here is an article in NY Times describing a CBS program.

Article in the Post reporting strong focus on the topic from Google at Davos. This is why Google is bidding for spectrum.

One of my 2007 CES posts with some companies I had seen in this space.

Also, a local company, Acuity, that I plan to check out.