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1. The smartphone (iphone 2007)
2. The internet (early 1990s)
1. The smartphone (iphone 2007)
2. The internet (early 1990s)
The internet, 70's & 80's, the web, 90's.
It's fairly well established that inventing things gets easier when there are other things that you can build on top of.
what about cellphones? Laptops? GPS?
You can't just pick two things. Being thorough here is hard.