Z:gnu-www-ja-kragen-software--cf0b57-One is that it doesn't work we/en

One is that it doesn't work well to sell it the way you sell slaves, places, and things; any of your customers can make an unbounded number of copies at cost, or less. Market friction currently makes selling software a viable business model. Perhaps branding does, too; there's a question as to whether Red Hat sells CDs for $50 because people like Red Hat's brand, or just because they don't know they can buy essentially the same CD from CheapBytes for $2.