I'm a believer that AI is currently over-hyped, but to me this feels applicable to a lot of things that have gone on to be revolutionary. For the smart-phone too, one of the "issues of now" was slow cellular connectivity, which made the premise of using your phone for web-browsing feel like a chore. With cellular speeds "solved" we now live in a world where smart phones are the tool the majority of people use the internet on. https://explodingtopics.com/blog/mobile-internet-traffic