The web may not be the largest thing to run on the internet (these days it seems like Zoom is) but it was the most transformational until mobile apps came along. You can follow the waves by developer interest: in the 2000s everyone was learning HTML and making a website. In the 2010s everyone was learning to develop mobile apps. In the 2020s all the developers are going to build Vision AI. And for good reason.
Where the web had its impact was by digitizing manual paper-based processes. Rather than receive a bank statement in the mail you could