Rap enthusiasm site, Rap Genius has gone through the impressive tasks of combing rap and Google Maps. Rap Genius' Rap Map is a Google Map-based visual almanac of all things rap. You can scan an area and view rap landmarks and places mentioned or referenced in some famous rap lyrics.
Google is pitching its Activity Recognition Transition API as the key to unlocking insight about smartphone owners' movements. The idea is to let developers decipher between simple movement, such as walking, and complex movement, such as driving all while maximizing battery life.