Microsoft’s Max Zilberman interviewed me on the topic of fluid UIs and designing for multiple devices.

In the interview we chat about how different devices with various resolutions and physical sizes represent challenges for designing UIs. We discuss how fluid UIs that are based on vector graphics allow to design one UI that is then rendered the right way on different devices.

Check out the video here.

When Apple announced the iPhone 4 yesterday I was shocked to hear that its display has a pixel density of 326 pixels per inch. That’s an incredible number. Steve Jobs was quick to say that this is more than a human eye can resolve. He called it a retina display. The vocabulary and units used in the discussion about the iPhone’s greatness are somewhat exotic, so let’s see what this is all about.

Pixels…

The Usability Professional’s Association held its annual conference in Munich, Germany, last week. 750 people from 45 countries around the world participated.

Here’s a little right-up on some of the sessions I attended.

Guided Selling: Helping Customers Make Sense of Your Offering

Presenter: Michael Hawley (mad*pow)

Guided Selling is a UI paradigm used on e-commerce sites. This paradigm tackles the issue…