What to Expect from Marzipan
Or, as we like to call it, Chameleon 2.0
As you can see, the stuff that you use to build Mac apps has changed radically over the past 35 years – but it’s important to note what hasn’t changed during that same period of time. In the early days of the iPhone, there were many apps developed by folks who brought their sensibilities from Windows or the Mac to a new platform. Think of menu bar items as a way for people to discover capabilities in your app: Mac users often scrub through a new app’s menus as a way to see what can be done.
Source: blog.iconfactory.com