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Google is also currently focused on "just type in your email address", but Nate believes that the prospects for that are very poor. Major consumer identity providers such as Twitter and Facebook don't have email addresses associated with their users, so this is likely to be a long-running battle if Google presses it. Paul observed that Google has vast resources at their disposal to work on user interface issues, but Nate and Scott believe that Google is trying to solve potentially a fundamentally different problem from the scenarios that this mock-up needs to be able to accommodate.
Nate opined that a reduced number of buttons is actually a reasonable request and the more common situation, since the set of most likely IdP's will be small, and the other options will be associated with prior user selections. The search options will be more important in the majority of situations, and should be made sufficiently prominent.
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