Yep. The internet isn't very old. It was really just yesterday that we were all hanging out in chat rooms on AOL, surfing websites with <marque/> tags. The internet has faced, what I think are, 3 phases.
v1 - Birth of the internet
v2 - Social Media
v3 - Blockchain
Undoubtedly, the advent of Blockchain is not nearly as groundbreaking as the internet as a whole. I think that's a given. However, I'd argue that it's equally, or more profound than Social Media. We're changing the way data is stored, communication happens and much more. Blockchain is going to reshape the way the internet works on a broad scale.
It's really quite simple. The internet was intended from the start to be decentralized, we just didn't have the technology to make that happen. Centralization was a necessary progression that moved us forward. But decentralization is where we want to be and that's not going to be slowed down. It will also have sweeping effects across many industries - already is in some cases.