Fast Company on Office 15...

Fast Company: What The New Microsoft Office Gets Wrong http://goo.gl/mag/5n7kA

The big question us if tablets should ever be understood as a production medias.
Pro applications are getting more complex...
It is easier working with a mouse than a trackpad...

Zoom function in new PowerPoint Office 13

A new allows you zoom in to an area in presentation view. This will help the presenter focus details in charts, tables etc.. Or when having problems with small text sizes.

PowerPoint2013 - Office 15 goes 16:9 format in new trial

The new user interface has the format 16:9 as the primary setting. You can still work with 4:3... see below screendump from the interface.