On 21/09/2013 09:50, Humdinger wrote: ... > Ralf Schülke [...] proposes that every good OS has that sort of gimmick > (eyes following the mouse pointer); unix has xeyes, plan9 catclock and > atari some sort of pear(?). ... If it was possible for apps to animate or substitute their icon in Deskbar this could actually be useful in addition to being fun (or annoying). Windows 7 apps can show progress in the task bar. In OS X the Calendar app icon shows the current date (in Dock and Launchpad but not in Finder) and the Mail icon has a badge of unread email /Jonas Sundström.