[OSM-dev] MapRoulette requests OSM permissions

[Paul Norman]

> From: Serge Wroclawski [mailto:emacsen at gmail.com]
> Sent: Monday, May 05, 2014 1:10 PM
> To: OpenStreetMap Development
> Subject: [OSM-dev] MapRoulette requests OSM permissions
> 
> Initially, we thought we would probably use osm.org's internal system
> of storing user data in key/value pairs to store information about the
> user from MapRoulette, for example, choosing which challenge they
> wanted to have by default, but ultimately we moved away from this
> choice because making the external calls to osm.org was more expensive
> than making local db lookups.

I'd suggest only doing this for preferences across multiple MapRoulette 
instances (MapRoulette preferences, rather than MapRoulette.org preferences)