If by "sufficiently complex things" Stent means "things like consciousness," I found Max Tegmark's hypothesis in "Life 3.0" compelling: that just as information

If by "sufficiently complex things" Stent means "things like consciousness," I found Max Tegmark's hypothesis in "Life 3.0" compelling: that just as information can arise from an arrangement of matter (data on a magnetic disk), consciousness might arise from an arrangement of information.