After a whole bunch of hype, the first augmented reality app for the iPhone 3GS is now available (Yea!)...for Paris subway travelers (Ugh).

Metro Paris Subway 3.0 has been updated to help commuters find POIs using a live video mode. Now that the floodgates are open, how long will we have to wait for Twitter-based reality augmentation? I'm sure it's just around the corner (Sigh...). [MacNN]