OpenERP - The throbber’s text update every few seconds when installing an application so you know it’s not frozen.
Chrome - When uploading files, the usual blue rotating circle in the tab bar becomes gray and spins counterclock-wise.
/via Julian Peters
Flickr — When uploading files, it shows percentage in the tab, so you can always see the load progress while surfing other sites.
iOS - When using internet on EDGE network, loading icon in status bar rotates slower than it does on 3G.
Highrise iPhone app - As it loads your account’s database, it presents you with a playable game of tic tac toe.
Youtube - Allows user to play snake with keyboard arrows while waiting for video to load or when it’s paused.
Mac App Store - The progress bar of installing an app from the Mac App Store changes its dimension separate from the icon, when magnified in the dock.
Cornerstone - The number of segments in the spinning activity indicator equals to the number of running activities.
/via Yusuf Miles