Ghost population?

[Anthony]

Originally Posted by whswhs

We might imagine that computers that are going to run a ghost will be considered to have a fairly high priority, especially early on when only very rich people can afford uploading.

Ghosts don't really need 50-100 year hardware; it should be fine to migrate to new hardware every so often (or just run on a virtual machine). Making software that runs for extremely long times without crashing is also a challenge, though.