True, but free usually means freedom from both cost and restraint, so the point doesn't change much. I should have said "constraint" rather than "cost". Thoug

True, but free usually means freedom from both cost and restraint, so the point doesn't change much. I should have said "constraint" rather than "cost". Though the original commenter did follow-up, clarifying that the common interpretation of "free" doesn't closely match the point he'd intended to make