Previewing ‘Windows 8’: Article by Julie Larson-Green, corporate vice president, Windows Experience.

Here are a few aspects of the new interface we showed

Fast launching of apps from a tile-based Start screen,
which replaces the Windows Start menu with a customizable, scalable full-screen
view of apps.

Live tiles with notifications, showing always up-to-date
information from your apps.

Fluid, natural switching between running

Convenient ability to snap and resize an app to the side
of the screen, so you can really multitask using the capabilities of

Web-connected and Web-powered apps built using HTML5 and
JavaScript that have access to the full power of the PC.

Fully touch-optimized browsing, with all the power of
hardware-accelerated Internet Explorer 10.