A year ago Twitter was just a microblogging platform. Sure, it was a popular one, but it wasn't until the announcement of its geotagging API that it took its first step toward being a location platform. Since then, it has expanded its offering to include the four geo APIs I've categorized below.
Adding new features, service updates or interesting content to your business blog is great, but how do you ensure that your users know the cool new stuff is even there? Using a tool like WhatsNew is one way to tackle this issue. It's a service that provides an easy way to show repeat visitors what's new in a given service or application. The WhatsNew API offers even more flexibility, as it allows developers to customise the WhatsNew widget to better suit their specific needs.