Google Maps API is one of the most popular APIs in our directory. A month back, we reported on Google’s plans to charge for high usage of its Google Maps API. This led to a good amount of confusion among developers on whether they would fall under the category of high usage and if occasional spikes in usage would end up labeling their applications as heavy users. Meanwhile, MapQuest capitalized on the opportunity to declare its maps 100% free.
Twitter co-founder Biz Stone has just announced a new geolocation API that will be available to developers fairly soon (Twitter API profile). The new API, which will likely be rolled out in Twitter clients before being available on the Twitter site, will allow users and developers to add latitude and longitude to tweets, thereby adding a valuable new layer of meta information to tweets.