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Page last updated at 09:22 GMT, Friday, 2 December 2011

Webscape: How to learn almost anything for free

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Kate Russell's weekly review of new and interesting sites and apps.

Khan Academy is a huge archive of educational videos and exercises covering everything from algebra to venture capital.

Skylight is an organisational tool shed to help run a business, covering everything from sales to document management and customer relations.

QR Pal is an Android app bringing a social twist to storing and sharing QR codes.

Microsoft is trying to entice Android and Apple users to switch platform with an online mobile demo that gives a taste of the Windows experience from any handset.

And finally, Facebook has released a list of the top 40 most shared stories for 2011.

Follow the Click team on Twitter at @bbcclick

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