Facebook just announced the launch of a Japanese version of the site to compete with the local social network of choice Mixi. But one Japanese designer (Takumi Yoshida) is already looking to the future of social networks with a concept device called the Geotagger. The device would allow real-time tagging of locations via a device that looks more next-gen iPod than common GPS device. Yoshida calls the system "physical social bookmarking on-the-go." If the social networking meme survives the next few years, this kind of device is certain to pop up eventually. Check out more of Yoshida's concept work here.

Via Takumi Yoshida