Think of it this way there are 3 . 5 billion males on this planet . Having some way to winnow through that is a good thing . There are many , many men who would be thrilled to find a sterile woman . <| sep |> The US is a big enough market internally . We could have told the rest of the world to feck off , and our workers would be in much better shape . The 1 % wouldn ' t be quite as rich , though , so guess I would have to feel sorry for them . s <| sep |> Exactly . C ' mon ! What ' s a couple hundred million people ? Let ' s give it another shot . <| sep |> Thanks for the information . I ' m not interested in the MOOC version of the MCS and data science isn ' t my only interest so the MCS is a better fit for me . I noticed your estimate is that the tuition is cheaper for the campus version . Why is that ?