Most of my machines are now touch.  I have 2 Acers, 1 Samsung, 1 Lenovo a Sony all in one all featuring touch screens.  In Windows 8 there is a great new Mail app specifically designed for touch.  It integrates with the Microsoft Account I use to logon to the computer, but it also supports Exchange Active Sync, so my work and personal email are all in the same place.

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My personal inbox from Hotmail.

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Multiple accounts can be setup and the touch is easy on a slate.

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on screen keyboard (in either Dvorak or Qwerty layout) can be either across the entire screen or thumbnail view below each hand if you are holding the slate.  Windows 8 has spell check built in, so Metro full screen apps can take advantage of this as a core OS feature.

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thumbnail view for small, medium or large hands

The more I use Mail, Calendar and Messaging in Windows 8, the

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Messaging and Calendar – if you “swipe” from the left hand side of a slate, two Metro apps can be run side by side (1/3 and 2/3 of the screen)

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If you swipe from off to on the screen and then back off the screen all your running Metro apps are displayed.