I'm convinced there is a real productivity loss due to OSX's limited notifications system. On OSX you get a tiny little bubble in the upper right from your chat program and if you miss it, too bad. I've seen people resorting to shouting or tapping on shoulders because of this. Trying to do something as simple as change the font size was difficult or impossible. On linux I get nice big notifications. If I miss or choo…
System Preferences -> Notifications -> [Application] -> Style -> 'Alert'
Under that it says
> Banners automatically appear in the upper-right corner and go away automatically. Alerts stay on screen until dismissed.