With a domain like map.pr, you'd think this would be another link shortener. Instead, it uses the Foursquare API to give you a great way to visualize popular places on FourSquare. And, if you're following the World Cup, you can also use Mappr to find spots frequented by fellow fans.
New updates to the UK Police API extend the possibility of using crime data to create innovative products and services. While many of the new mashups and services that could be created from using an extended, anonymized dataset of all crimes in the UK could have benefits for local citizens and businesses, there is also the risk that the data could be used to infringe on civil liberties.