I don't disagree, but just because something isn't sold for >0 money doesn't mean it isn't in the market. Google is very much in the "search" market even if the

I don't disagree, but just because something isn't sold for >0 money doesn't mean it isn't in the market. Google is very much in the "search" market even if they do not make revenue directly from you the end customer making the search. Giving something away for free and monetizing something else still means you are in that market.