> I never thought about those recaptcha things. I feel guilty and almost dirty for helping them do these things. I also feel ripped off. We are programming their computers with our data and they are using our work and intelligence to train systems which will make them billions and we won't see a dime of it!

Umm, you are "paying" them with a tiny amount of labour in exchange for getting a web page (or some other access). It's a microtransaction.