I've begun to wonder lately if all of the money they've spent on "innovative technologies" shouldn't be counted as marketing expense for their core products. I

I've begun to wonder lately if all of the money they've spent on "innovative technologies" shouldn't be counted as marketing expense for their core products. I mean they're not going to convince many people to buy Office for the first time with advertising. People buy Office because it's what you do when you have a PC. On the other hand by spending money to appear to be a cutting edge technical company they can more easily justify (sell) to their business customers the need for another round of version upgrades.