Actually most companies and ALL analysts use non-GAAP numbers (search for your favorite company + non-gaap https://www.google.com/search?sourceid=chrome&ie=UTF-8&#...)... it reflects the true nature of the business. They are also referred to as pro-forma numbers. There isn't any funny business going on here. It is good that we have GAAP so you can compare apples to apples in different industries but for a further breakdown non-GAAP numbers are very useful to an analyst.