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Yahoo has just released a new application which brings their location-aware platform Fire Eagle to Facebook's social network. The new app called "Friends on Fire" lets you easily share your current location with a set of trusted friends. Fire Eagle users can also share short, Twitter-like posts with each other. These are quick updates and tips tied to your location and displayed on a map within Facebook. In addition, the Fire Eagle team has also introduced a Firefox extension that lets you update your location with just one click.

Are any application developers making money on Facebook? Not really, but they could be. According to Bruce Richardson of AMR Research, less than 2% of Facebook developers make any "real" money. Part of the problem is that Facebook has not had any decent e-commerce engine for monetizing applications - until now, that is. Instead, developers have had to rely on the advertising model, which isn't always a good fit for their type of application, nor is it all that effective. Z-Commerce, a new service launching today at DEMO 09, aims to address this problem. But the big question is this: are there any Facebook applications worth paying for?

Blog reading on Facebook is becoming a popular activity. One of the top applications for following blogs through the social networking site is NetworkedBlogs, an app which launched last year bringing the blog community to the Facebook platform. Half MyBlogLog, half RSS reader, the application lets users add their blog, favorite the blogs of their friends, and click though the latest headlines. Most importantly, the app brings blogs to the more mainstream Facebook audience.