Web 2.0 was a label created to describe an emergent trend (ajax, rich ui, rounded corners, drop shadows) that was well underway by the time the label was popula

Web 2.0 was a label created to describe an emergent trend (ajax, rich ui, rounded corners, drop shadows) that was well underway by the time the label was popular. web3 seems to be attempting the reverse: popularize the label first and hope the trend follows.