The previously-unannounced Sony Xperia Z Ultra Wi-Fi only variant has been launched in Japan, with the tablet hitting store shelves on January 24. The 6.4-inch Xperia Z Ultra Wi-Fi only model is available at 52,000 yen, or
Sony Corp will begin testing a new television service that combines traditional viewing with on-demand content through its PlayStation gaming system, a cloud-based service could possibly change long-established cable and media industry