As for saving their data, well, about 60 million people need to donate 1 Gb of their hard drive space, or just 6 million people, 10 Gb of their HDDs.

Or more soberingly, any one of the world's millions of multi-millionaires could write a single cheque to back up all their info, but will anyone do so? Probably not, as collective resources and knowledge are of no benefit to them, indeed even detrimental.