Economists and business journalists seem to use the state of tech industries as a bell weather for the economy and hint that they are not doing well It's a disaster for the economy/sign of a ressesion, as at best modern tech industries are at best 40 years previous to this want were the industries everyone was watching, the car industries the oil industries.
The construction industry...celtic tiger...
That's even more recent that the tech industry
Conventional manufacturing - clothes, processed food, homewares etc. Most of which was still done in the developed economies back then.
New car sales, registrations seemed to be a big thing in the recent past.