Just curious if any of you vendors would comment. How do you really even know whether it's worth your time to do the software side of things? Do you vendors just cast your products out there and hope someone will pay? How do you know the space is actually high margin? I didn't think, for example, that market data vendors really made all that much money, and there's not much said about the Murray Ruggierio/NinjaTrader/ModulusFE types, at least on the financial side of things. Moreover, if trading volumes are going down or are in the doldrums with fewer and fewer people making money, is it a drag on the business of selling shovels to the gold miners? How many of you started trading and then just decided to sell your software instead?