"... he map stays current in three ways (maybe more but this is what I get): data feeds supplied to UpNext, manual entry by the UpNext team and by user updates.

"... he map stays current in three ways (maybe more but this is what I get): data feeds supplied to UpNext, manual entry by the UpNext team and by user updates. Did you notice that the pizzeria on 48th and 2nd avenue is closed? Go edit the record which creates a community of users to help keep the tool updated. ..." One area where this application kills printed maps is a concept called "ground-truth". Ground truth is where you manually check that what is on the map really exists on the ground. It's boring, time consuming but imperative to get right to make something useful. The web2 interaction, "Oh this shop has shut-down, I better add a tag and new description" solves this problem somewhat. Nicely executed Rav.