He said the OS has 300 new features and demoed 10, including a new organisational system for the desktop called Stacks and a new folder system which lets users browse files and applications visually, just as music lovers can browse album covers in iTunes.

BBC: Thousands of developers are attending the conference

SmartShare, the gateway to external devices on the Home Dashboard, allows users to browse and share files with laptops, smartphones and external hard drives.

ENGADGET: LG announces 27-inch Personal Smart TV ahead of IFA HD

It includes features that appeal to classic Boxee fans like support for DLNA rendering that lets it browse and play files from PCs or other devices on the same network and DMR that lets users push media to it from apps like Skifta.

ENGADGET: Boxee TV update brings DLNA access, on device DVR management and more

Tongueii2, from MouthWorx, was a hit, as visitors delighted in licking the replaceable PC screen to move files around and browse the Web, courtesy of the Santa Clara company's fast-improving lingual technology with DroolControl.

WSJ: Email With Your Eyeballs, Change Channels With Your Spleen

Offers the freedom to download files or watch a video or browse the web simultaneously.

ENGADGET: Bigfoot brings Killer bandwidth management to laptops via Wireless N module