The U.S. banks are significantly more profitable than the European banks.

The whole industry decided it needed some level of diversification. The question is: Has anybody made that work?

Look at Starbucks. If I were [Starbucks CEO] Howard Schultz, I'd be wondering about how to put a bank in my store.

The entrenched providers today will have to shut and write off that infrastructure as you have the transition from analog to digital. Current entrants in the market have a disconnect in their cost bases that new entrants don't have.

It's got to be significant enough and advantaged enough that it would make a meaningful difference.

Retail banking is a distribution game. The models for best practices in distribution are companies like Wal-Mart and the niche retailers.