Nico Popp at VeriSign has an excellent post titled "The Business of Identity". It might be the best public summary of possible business models that I have seen so far for internet identity, and for OpenID in particular. He enumerates the following distinct models: The IDM Software Business Model: enterprise software The Service Aggregator Business Model: increased upsell and cross-sell to their subscribers by telcos, cablecos etc. The Security Business Model: the long tail for second-factor Read More...