As an augmented reality navigator that you want to use for finding pizza joints and friends on Foursquare and Twitter, you've got more polished options than Junaio's new 2.0 release -- Layar and Yelp, just to name a couple -- but Junaio has at least one interesting differentiator with a feature it calls "Glue." Basically, independent content providers can develop their own Junaio "channels," which function in the same way as a Layar layer -- it's a particular set of points of interest that'll be displayed in the current view. With Glue, though, Junaio isn't just using your positional information as a point of reference, it can also scan the image for specific objects that developers ha
