People are mad at Wall Street, and a string of new banks are popping up to entice these disillusioned customers with a new kind of banking option. BankSimple, a new online financial institution that is expected to debut this year, hopes to provide angry consumers with a simple, clear alternative to large traditional banks.

The market capitalization of banks has shrunk remarkably over the last two years. ( Market cap is the worth of a publicly traded company. ) Below we provide a point of comparison for the latest data available as of this morning (2/20/2009). The outer circle is the market cap of the largest banks in 2007, and the inner circle is size of the bank as of today. Both data points are in Billions of dollars.