Usage only by carrying a terminal.
App add your visited places and expand map.
With Google\'s Place Search you can easily search places in a designated area.
It can be searched by purpose such as playing and eating, helps in finding new places.
With auth to Twitter, makes it easy to search around tweets.
From real-time information, you can find information such as shops and events.
From the collected location, you can check when and where you were and can also be used as a life log.