Xbox is a video gaming brand created and owned by Microsoft. Xbox is a series of gaming consoles, it also represents applications, streaming services and online service (Xbox Live). The first Xbox console was first released in 2001. By 2006 it had 24 million units sold. The second console released in 2005 was the Xbox 360, and sold over 77.2 million consoles in 8 years worldwide. The Xbox One was released in 2013, it is the successor of the Xbox 360. The Xbox's main competitor is Sony's Playstation line of consoles. Xbox Live is currently being used by over 48 million users. It has its own online virtual market which allows consumers to purchase and download games. Xbox Live was originally released in 2002. With the release of the Xbox 360 came the Xbox Kinect, it is a motion sensing input device. It allows users to control and/or interact with the Xbox without the use of a controller. It uses a natural sensor that reads gestures and spoken commands. Each console has a variety of games that can be played on any of the consoles.