Hey I'm in that book :) You are only looking at this kind of book as a sort of reference manual, but there is also historical value there as well. There don't

Hey I'm in that book :) You are only looking at this kind of book as a sort of reference manual, but there is also historical value there as well. There don't seem to be many web projects that put enough effort in to describe the current state of an industry, but an author will. And that has a lot of value. Books are a slice in time, whereas websites and news articles tend to show an evolving state of an industry.