Yes, it’s that important… run, do not walk to read this article over at ReadWriteWeb:

Foursquare Launches Location Layers

Some of you may remember me crowing over augmented reality in the last year, and certainly everyone has heard my emphasis on the concept of place and location… as predicted, these are all converging and in some really remarkable (read: cool) ways.  Take a look.

-Dean (@dbrowell)