Swiss army knife: <a href="https://www.microsoft.com/buxtoncollection/detail.aspx?id=192" rel="nofollow">https://www.microsoft.com/buxtoncollection/detail.aspx?id=19...</a><p>But no MS Trackball Explorer, nor Sidewinder Pro Force, input devices <i>created</i> by microsoft that had no or tiny market segment, and seemed to have been created solely because someone there wanted such a thing to exist.