The clever Windows 7 features Microsoft hasn't shown you

Windows 7
Multi-touch gestures work well in Windows 7 - provided you've got the hardware.

We were given a sneaky in-depth demo of Windows 7 by Microsoft today, going far behind the features trotted out by that funny-looking woman with overly-tonged hair during Steve Ballmer's keynote. Of course, you'll hopefully be able to download the beta for yourself. So here's our blow-by-blow guide of the features inside Windows 7 courtesy of Program Manager Nancy Phan.

Windows 7 will be more power efficient. As well as desktop dimming when you're not using the system, DVD playback also doesn't drain the battery as much as it does in Vista.

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Dan (Twitter, Google+) is TechRadar's Former Deputy Editor and is now in charge at our sister site T3.com. Covering all things computing, internet and mobile he's a seasoned regular at major tech shows such as CES, IFA and Mobile World Congress. Dan has also been a tech expert for many outlets including BBC Radio 4, 5Live and the World Service, The Sun and ITV News.