The Bing Maps Time Zone API is now generally available. The API is a set of REST APIs designed to cover a variety of scenarios developers often deal with when it comes to time zones. Among the capabilities of the API are time zone conversion, list time zones, and find a time zone.
Careful what photos you tweet--and where you were when you snapped the shot. There's another site designed to warn you against the hazards of over-sharing. This time it's not related to active location-sharing, but instead accidental. The meta-data stored in your photos may be giving away where you live.