I put these sites in my Reader, and am really enjoying them all. But it’s hard to read so much analysis of the same thing. GigaOm is coining the phrase “Explanatory Journalism” which works well. We’ll see how they all grow…. ” With the launch of The Upshot from the New York Times, there are now three major sites going after the “explanatory journalism” market. Each has its own unique flavor, but is the market for that kind of content really large enough to support that many sites?”