[jacquesm]

In the beginning of the computer age all problems were difficult. If not because of the problem itself then because of the limitations of the machines. It's amazing they did as much as they did with so little, your average Arduino makes the best hardware from those days look puny.

[mkromberg]

That is true, but OTOH I maintain that - in absolute terms - there are more difficult problems that people are struggling to solve using computers today than there were in 1970.