Bruce Tognazzini was Apple's 66th employee, developing the company's first usability guidelines and founding its Human Interface team.
Almost thirty years later, he's a principal at Nielsen Norman Group and still making his feelings known when companies commit design errors.
Here, 'Tog' gives us a variety of thoughts on interface design, freedom, the future of computing, the iPhone's place in world history and why he travels around in a 400 sq ft motorhome while towing a 4x4 and two Segways.