It looks like Yahoo! agrees that location-based media has great potential. Yesterday they acquired Koprol, a location-based social network in Indonesia. This article on Mashable.com explains the possible implications of the acquisition:
This acquisition is especially interesting in the context of Yahoo’s new partnership with Nokia. Yahoo says it plans to continue to invest in the evolving Koprol service, including mobile applications, like its newly released app for the BlackBerry.I'm still not convinced that location-based media has any value today, but there are enough powerful companies interested enough to make it effective tomorrow!