Since Metro-style applications for Windows 8 should all have a touch-first experience, Microsoft has recently released a brief but useful “Windows 8 Touch Guidance” documentation on how developers should think about touch in their applications.

The four-page PDF touches (pun) on some interesting touch characteristics of Windows 8 – including but not limited to drag-down/up for select/deselect, semantic zoom and panning and swipe from edge.

Read more at:
Microsoft offers touch guidance to Windows 8 Metro-app developers – istartedsomething