The proposition is that live-blogging (that is, blogging about an event during an event) is not particularly useful, because the results aren;t very good. "most people don't take notes to be read. They take notes to write them. The act of writing things down triggers different areas of our brain, it focuses attention, it makes it easier to remember things." Well, maybe. But there's no reason a person cannot liveblog well - which is to say, satisfy both purposes. It is possible to compose readable prose on the fly - if you learn how to write well enough. I humbly submit my own liveblogging as an example.