On Wed, Jul 15, 2009 at 7:48 AM, Josh More<morej at alliancetechnologies.net> wrote: > We know that, of all storage media, papyrus and stone last the longest. > How long do you need to archive your data? What's the lowest chiseling rate you can get (in $/bit) these days? I'm not quite up to the task of chiseling a couple billion bits in stone. Colin