Facebook

Sites and apps take the difficulty of saying "let's do lunch sometime."

Without a doubt, social media in Japan brought people together in 2011. The question remains: Where does everyone like to congregate?

Big corps are getting playful and social while testing the waters of the big Facebook pond.

Facebook makes a foray into Japan's mobile coupon market with location-based discounts, but will social shopping catch on?

Where are you right now ... and do you want to share that information with your social network? Geolocation apps want to know.

Following in the footsteps of Facebook, Mixi brings fun and functional apps to its user community. Anybody need a pantsu calendar?