Is concurrency hard?

[Matthias Lang]

Marthin Laubscher writes:

 > "We" made two fundamental choices (called breakthroughs at the
 > time) that went directly against reality and consequently still
 > cripple almost every aspect of computing today.

 > a) We represent things with digital approximations.
[...]

 > This is not the time and place to wonder about where analogue computing
 > could have been today if all the money that was spent on digital computing
 > was spent on the analogue branch.

When you say something is 'analog', do you mean that the parameters of
the system all occupy a continuous space? Or do you mean something
else?

Matthias