"DT" == Don Tuite writes:

DT Much of the private-sector research of the kind that used to
DT be done by Bell Labs is no more, a victim of tax laws.

Could you explain further? Because Bell Labs, a part of the old AT&T,
did its best work as a regulated monopoly and was guaranteed a
profit. Hence they could afford to investigate some basic things
without immediate commercial value.
--
If we could read the secret history of our enemies we should find in
each person's life sorrow and suffering enough to disarm all
hostility.

- Henry Wadsworth Longfellow