3. Location in WP7 Uses Geo-tagging (tweets, pictures) Discovering services nearby Sharing location with friends
4. GeoCoordinateWatcher Does EVERYTHING Gets location (altitude, lat / long) Gets course and speed Can control what mechanisms it uses to grab location
7. Gotchas PositionChanged event never fires in the emulator This is changing in Mango No background tracking yet Coming in Mango GeoPositionAccuracy.High DESTROYS battery life Meant for real-time geotracking Use GeoPositionAccuracy.Default to conserve power
8. Bing Maps You don't have to code anything Includes default templates for everything Get a free developer key from http://www.bingmapsportal.com/
11. Marketplace / Metro UI / Privacy Guidelines Privacy is a big concern.. User needs to be able to control how their data is used All location-data must be opt-in App is tested for privacy policy compliance in marketplace
12. What Developers Need to Do Provide Yes / No prompt to users giving Geolocation consent upon first application run Provide settings page where user can change settings at any time