As we have noted, FourSquare has become an extremely popular way to share where you are. However, unlike yesterday's hot location-sharing app, BrightKite, FourSquare does not have the ability to share photos. Is this an oversight, or is it an opportunity to fill a void?
There have been a lot of new socially based mashups showing up recently. In fact, we recently topped 700 social mashups. While many of these use the Facebook API or Twitter API, there are many more social APIs. The mashups below run the gamut, though, yes, also include Facebook.