I would agree with you if it were not possible to pay $0. But, there was work that went into compiling and laying this out, and that does add some value. I se

I would agree with you if it were not possible to pay $0. But, there was work that went into compiling and laying this out, and that does add some value. I see no problem with offering this content on this basis, for the price of an email address, especially considering you can use a throwaway address.