Ugh, I really hate comments in HN's economic threads. As with all economic theory, this is a <i>framework</i> for thinking about a problem, not a description of reality.<p>All the author is saying is that there is a set of assumptions that when met, bundling benefits both consumers and sellers. Specifically, this set of assumptions includes 0 transaction costs. Thus, the decrease in transaction costs does not mean the end of bundling.