Yes, it's cheaper but that's because Dropbox needs lots and lots of infrastructure and they can hire people to run it. At some point, if you have the capacity,

Yes, it's cheaper but that's because Dropbox needs lots and lots of infrastructure and they can hire people to run it. At some point, if you have the capacity, it cheaper to build than to outsource. Dropbox found that point. Smaller companies don't have the option to hire a whole IT team.