PUBLIC MARKS with tags OpenStreetmap & geolocation

convert this OSM file to GeoJSON format for styling in TileMill, […]a python script that outputs each node as a geo-referenced point along with the user associated and a timestamp marking when it was created.

flickr_logo.pngFlickr just announced support for OpenStreetMap, the wiki-like mapping service that allows users to create and edit maps. Starting today, photos that are tagged with an OpenStreetMap node ID will include a link to OpenStreetMap (OSM) right underneath the photo. OSM assigns a random number to objects on its maps and Flickr can now read this number and also extract additional data about places from the OSM database. In addition, Flickr also announced that it will now support venue ID tags for the increasingly popular Foursquare service.