Sony announced that it will be launching a Firefox OS mobile device in 2014. Bob Ishida - the company's deputy CEO has confirmed that Sony's engineers are currently working with Firefox OS Mobile and HTML 5 evolving technologies which show great potential.

The news was delivered during a joint event between Sony and Telefonica, where the Spanish carrier announced that it will carry the Xperia Z Android flagship and the Xperia Tablet Z. Telefonica, together with other Sony carrier partners will also be involved in the development of a Firefox OS handset.

All in all, the announcement is great news for Mozilla. Now that Sony has joined the ranks ZTE, Huawei, Alcatel, and LG, Firefox OS has increased chances of carving a slice out of today's ultra-competitive market.