Signing up as an Insta-Shopper is easy!  Just go to the Presto map (http://prestomap.com) in any mobile browser (or use the Presto app).  Click the menu button in the upper left hand corner of the screen and click Signup:  



Fill out the form to create your Presto account and click Signup at the bottom of the page.  That's it!



How can I find Insta-Shops near me?