The density of helium is one-seventh that of air, delivering significant advantages to HGST's sealed-drive platform.

ENGADGET: HGST develops helium-filled, high-capacity hard drives: no, they won't float away

The cross-platform nature of Adobe AIR means the iPlayer will work with Open Source and Apple Mac computers "out of the box" on 18 December, said Mr Rose.

BBC: iPlayer now available on Mac

Platform doors can also allow for air-conditioning of train platforms and prevent litter from getting onto the tracks.

WSJ: Subway-Push Prevention Solution Would Be Very Costly for the MTA

Access to YouTube will soon be possible from the Freesat platform - the first time the service will be available from a free to air provider in the UK. The version of YouTube that will be launched is built on HTML 5 and will be its very latest iteration offering a TV-optimised, visually stunning and fully interactive viewing experience.

ENGADGET: YouTube channel coming to on demand Freesat party in March

In this multi-platform media age, we are always learning how to make what we do on the air work in other ways.

NPR: Putting TV on the Radio

On a related note, if you weren't yet sold on Google TV, a breath of fresh AIR might help -- Adobe told us it's presently pondering the correct time to add the cross-platform runtimes on Google's video streaming boxes as well.

ENGADGET: Adobe AIR 2.5 coming to Android in Q4 2010, but only to capable phones