He's probably alluding to 'General Magic'. See
In article <001b01c62823$fb72d0d0$6401a8c0 at
DESKTOP>,
"'Computer Collector Newsletter'" <news at
computercollector.com> writes:
[...] The top engineers from those projects all
left Apple in frustration when the inferior Newton was picked as the one to
commercialize.
Where did they go?