Search in an Augmented World

In SEO  a number of interesting implications for search in an augmented reality world.  Some obvious things here.  How do you add other dimensions to the search space?  The geographic is the obvious addition.  What is closest thing I want to find, using what medium of transportation?  And what does the resulting landscape, with combinations of real and abstract dimensions look like?  Wearable search devices, like glass, will make this yet more important.  " .... AR has experienced a slow evolution. While users have struggled with a fragmented ecosystem of AR apps, marketers have struggled with how to fit it into their marketing plans. But with the debut of Google Glass, all that is about to change. ... "