Two examples of technological regressions.
- Typing. I'm filling out hockey forms. By printing with a pen. Once upon a time I might have typed them. I was a fast typist.
- Reliable phone calls. Switched circuit calling was inefficient, but the quality was excellent. Now we have layers of VOIP everywhere -- and it's nowhere near as good as switched circuit. When you add mobile delays to VOIP home phones to VOIP teleconferencing systems you get voice quality from 1940s long distance.
I'm sure there are others ...