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Security is important, especially for mobile devices that can be lost or stolen. A good way to keep data private no matter what is to encrypt everything so it can't be viewed without a security key.
Enter Bitlocker, an encryption method that comes with Windows 8 Pro and Windows 8 Enterprise edition. You can easily encrypt entire drives with Bitlocker to make sure only you can access the data. This can render a lost or stolen tablet useless for the finder/thief while protecting your private data.
Tablets are the perfect form for supporting handwritten input, and Windows 8 is easily the best platform for such support. Pen input has been available in Windows for over a decade, and Windows 8 leverages it fully.
Certain apps like OneNote and Windows Journal work particularly well with the pen but it's not limited to those. The onscreen keyboard used in Windows 8 for touch entry can be switched to handwritten entry on tablets with a pen. The automatic text recognition can understand even poor handwriting for entry as text.
Bing news app
There are lots of news reader apps on all the mobile platforms but the Bing News app in Windows 8 is superb. It is particularly suited for touch operation on tablets and is a joy to use. It's exclusive to Windows 8 so the competiton is out of luck.