A popular spot where the Cloud and Identity domains intersect is the idea of “Personal Clouds”, which would be ideal services to build via a concept of the `X Internet`.
With open standards like SAML providing the building blocks of interconnecting identity systems between applications, then those applications will be better enabled to exchange this personal data.
This will power a revolution in online e-business models – For example your grocery provider could sell you online loans and mortgages, underwritten by your bank providing them your salary details via an online web service query.