Rounded corners are obvious. Steve Jobs himself famously demonstrated prior art: http://www.folklore.org/StoryView.py?project=Macintosh&story=Round_Rects_Are_

Rounded corners are obvious. Steve Jobs himself famously demonstrated prior art: http://www.folklore.org/StoryView.py?project=Macintosh&story=Round_Rects_Are_Everywhere.txt http://www.folklore.org/StoryView.py?project=Macintosh&s...