The 1.3 SDK allows for applications to generate Growl notifications without Growl installed. This is called "Mist" and is a new feature of the 1.3 SDK. Thus, Gr

The 1.3 SDK allows for applications to generate Growl notifications without Growl installed. This is called "Mist" and is a new feature of the 1.3 SDK. Thus, Growl becomes the "pro" version of Growl when installed, allowing you to customize the notifications, and the "free" version is the built-in notifications. I think this will, if anything, increase the usage of Growl by third-party developers.