I have blogged about Avvo before. They are the lawyer rating service that previously petitioned the Illinois Supreme Court for the master roll of all licensed attorneys in this state, and lost.
Well, they are back in the news. They have developed an application for the iphone which allows you to log each drink that you consume over a given time period. It then calculates your approximate BAC based on gender, weight, etc. Then, if you exceed the legal limit, it will suggest cab companies or other alternative means of transportation. Then, if you get pulled over for DUI, it will suggest a DUI lawyer in your area.
Check out the full article here.