> Once taught about vim's command and insert mode, do users with a visual mode indicator make mode errors? That seems hard to believe.
I do it all the time. When you’re deep in flow, it’s easy to miss the mode indicator and accidentally trigger an unexpected result.
> because Jef Raskin went on to develop the Cannon Cat, and mouseless office and personal secretary computer which was unique for its "Leap" key functionality which allowed the user a press of a button to enable file wide text search to move its cursor.
Everything I’ve read about Raskin’s original vision for the Macintosh makes it sound much closer to the Cat than to the Mac the world eventually got: no GUI, keyboard-centric navigation, etc. The Mac turned out the way it did because Steve Jobs, after leading the failed Lisa project, ousted Raskin and turned the Mac into a kind of Lisa Jr.