This is perhaps the most straightforward reading we have had, that finally outlines the basic differences between digital and physical products. It is not particularly exciting or revolutionary, but is important in that it clearly explains that it clearly identifies why the digital economy is consuming the physical one at every opportunity. Unlike physical goods, it costs next to nothing to continue to reproduce the product. I have seen this to a large extent myself in video games. When I was younger games came on physical disks, and consistently cost about 60 dollars. While the standard price has not changed, most games are now sold digitally, and at least on steam frequently go on sale for up to 90% off, since any sale at all is a profit.