“Of all the differences between a Mac and a PC, few are as obvious as the mouse. Mice for Apple Computer Inc.’s Mac have but one button, while mice for Microsoft Corp.’s PC have at least two and usually a scroll wheel nestled between them. As a Mac user since 1993, and an Apple IIGS user before that, I have subscribed to the one-button mouse philosophy for a long time. Like many Mac users, I’ve always thought of the one-button mouse as one of the Mac’s distinguishing features. But I recently bought a two-button optical mouse with a scroll wheel to avoid my iBook’s track pad. I had a revelation,” writes David Zeiler for The Baltimore Sun. Read on here.