For me the point of Dropbox is sync that works so well that I can even manage development projects on the shared folder. In my experience the Microsoft syncing

For me the point of Dropbox is sync that works so well that I can even manage development projects on the shared folder. In my experience the Microsoft syncing is not even close match. This is likely also problem for Dropbox. For heavy users their main costs must come from bandwidth and processing - not raw storage.