How I've seen it: Web 1.0: Let's serve web pages Web 2.0: Let's serve REST APIs, and have Javascript to all the formatting Web 3.0: Let's get rid of DNS and

How I've seen it: Web 1.0: Let's serve web pages Web 2.0: Let's serve REST APIs, and have Javascript to all the formatting Web 3.0: Let's get rid of DNS and have GUIDs/Crypto/something