--- the incomplete story of web3, and its user retention problem --- (note: if you are an up-to-date industry insider, you can skip directly to the fourth section: The Leakiness Problem) For very online people, Twitter was a mainstay for the last decade, despite its one-hundred faults and despite the downhill trajectory of the quality of social interactions on the platform. During the very-online pandemic years of 2020-21, web3 arrived on the scene with its enticing airdrops and its utopian p...