In my opinion, the best fiction book about this subject is 'Permutation City' by Greg Egan. Also, this one is pretty good: https://sifter.org/~simon/AfterLife

In my opinion, the best fiction book about this subject is 'Permutation City' by Greg Egan. Also, this one is pretty good: https://sifter.org/~simon/AfterLife/index.html https://sifter.org/~simon/AfterLife/index.html And, in a very similar line to "Lena", this one by Vernor Vinge: https://en.wikipedia.org/wiki/The_Cookie_Monster_(novella) https://en.wikipedia.org/wiki/The_Cookie_Monster_(novella)