MCP is the coming of Web 2.0 2.0 - Anil Dash:

It is important to understand that the current usage of “Web 2.0” is often wrong; people often use Web 2.0 as a term to describe things like Facebook. This is incorrect — closed, proprietary, user-hostile sites like Facebook are what killed Web 2.0.

The platform era took so much and left us with so little.