Progressive Profiling
Collecting user profile data gradually over multiple interactions rather than in one long signup form, to reduce friction and improve conversion in customer identity.
Progressive profiling is the practical answer to a real tension: product wants profile data, growth wants a two-field signup. Collecting attributes at the moment they are needed, and only then, improves both conversion and data quality, since a user asked for a shipping address at checkout gives a real one. It also aligns with data-minimization obligations, because you never hold what you never needed.
See also: what is CIAM, consent management, social login, CIAM vendors
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