Great article, more new servicess, and better ones than I was aware of. I usually FTP with cohorts, but for ordinary non-geeky people, these are some great providers.
One thing that should be stressed that is of interest to folks who have the faster 25 and 50M ISP accounts, would be total up and down time.
Some of these are SLOOOOOOOOOOWWWWW. Not mentioning names. Do you think a(n) HTG followup is a good idea for this aspect.
I learned the hard way once when a video processing firm wanted some additional material, beyond some big SD chips I had sent.
I really don't know what all those services offer especially free v. some of their paid plans. Paying is worth it in the professional world, and maybe for some personal needs also.