Infinity Ward head Mark Rubin calls Ghosts "a new sub-brand" in the CoD franchise, and it's getting a new (unnamed) game engine to boot -- another indicator that previous characters aren't involved.

ENGADGET

The phonemaker's attempt at increasing its exposure to the lucrative mobile music and gaming market is seen a key step for the company that made its mark in regions such as Western Europe with its music-focused sub-brand Walkman phones and camera-focuses Cybershot handsets.

ENGADGET: Sony Ericsson's PlayNow Arena: 1 million, DRM-free songs on Monday

At 9:23am this morning (Pacific), Facebook chief executive Mark Zuckerberg commemorated the social network reaching 500 million users by launching Facebook Stories, a sub-section of the site where users could share their Facebook-related tales.

FORBES: Justin Bieber Is Hot On Facebook Stories