Crowdmap is a tool that allows you to crowdsource information and see it on a map and timeline. It is the Ushahidi platform, built by the team who created Ushahidi as a way for anyone to run their own crowdsourcing site without having to know the intricacies of running their own server. It's free and it's yours to use.
There are many ways of writing coordinates, and converting between the different ways is non-obvious but also quite trivial.
This site describes a number of ways to encode location in RSS feeds. As RSS becomes more and more prevalent as a way to publish and share information, it becomes increasingly important that location is described in an interoperable manner so that applica
'I, for one, welcome our new giant insectoid overlords'
google maps, osm u.a. offline benutzen
