Web 2.0 to me means the era when everything got centralised under a few social media providers. The early 2.0 era was definitely just 1.0 with additional collab

Web 2.0 to me means the era when everything got centralised under a few social media providers. The early 2.0 era was definitely just 1.0 with additional collaborative/sharing energy injected into the system, but by the time we got halfway through, it become obvious that the walled gardens are encroaching on traditional 1.0 space and that Google has abandoned the "don't be evil" motto (which I took to be the bellwether of the changes to come).