Not necessarily. Technological progress seems to be slowing.
Comedy gold. Really?
How long ago since you thought 'mail' was something a guy carried for you?
How long ago since you thought a phone should be wired to a wall?
How long before that when you thought a computer was something that banks used?
I bet the first number is bigger than the second number.
2. The internet (early 1990s)
It's fairly well established that inventing things gets easier when there are other things that you can build on top of.
You can't just pick two things. Being thorough here is hard.