A Sony executive has left PS3 fans all a-quiver after promising to release a firmware update "soon" that will improve the console's support for Blu-ray Disc interactivity features.

Don Eklund, VP of advanced technologies at Sony, http://www.videobusiness.com/article/CA6488844.html made the promise at the recent HDTV DisplaySearch conference in California. Unfortunately, he didn't say anything more specific about the release, leaving PS3 buffs to speculate about what new interactive features Sony might introduce to the console.

The Blu-ray Disc Association has already mandated that all Blu-ray players launched after 31 October must feature picture-in-picture video playback, so Sony could be prepping things to make sure any PS3s sold after that date are compliant.

Any Sony update will follow hot on the heels of an interactivity features update for HD DVDs, announced recently by Universal. Its release consisted mainly of online shopping features, such as merchandise or trailer downloads, and a function allowing users to share their favourite movie clips with friends directly from their player.

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