Some folks think life and technology and mind can keep expanding forever. Others say it can't. We are still not clear on that.
Seth LloydFor hundreds of millions of years, Sex was the most efficient method for propagating information of dubious provenance: the origins of all those snippets of junk DNA are lost in the sands of reproductive history. Move aside, Sex: the world-wide Web has usurped your role.
Seth LloydThe history of the universe is, in effect, a huge and ongoing quantum computation. The universe is a quantum computer.
Seth Lloyd