still wrestling with (spac)emacs. Did not come to ruby yet :)
Instead of me taking on Emacs keys here are smarter people than me:
Joking aside, even Mosaic was champion in usability once you manage to connect to internet (which was not really its fault).
User interface was explainable in 2 seconds to everyone - you point and click.
Then surfing without surfboard was invented overnight.
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Some people told me I can surf internet today with EMACS (seen something but I need to find right key combination)