Foursquare just made the switch from using the Google Maps API, to joining the crowd-sourced, global OpenStreetMap movement. To do most of the heavy lifting, foursquare relied upon the still fairly new MapBox API.
Nine APIs have been added to the ProgrammableWeb directory in categories including Mapping, eCommerce, and Blockchain. Highlights include two APIs for adding localization functions to Bing Maps and an API for proximity marketing via Bluetooth technology. Here's a look at what is new.