Erik Hollnagel does Cognitive Systems Engineering research in the area of human performance and accident analysis / prevention. He has a brief write-up on The principle of Efficiency-Thoroughness Trade-Off (ETTO) that I found interesting. The bottom line: it is the system that has to be diagnosed to understand why an efficient "short cut" failed when it normally worked just fine.

Tris Hussey found a nice list of tips to improve your blogging from Make You Go Hmm. These cover a lot of ground, and they don't make sense for all bloggers, but they give a positive way to think about blogging. I like the focus on passion in a few of these.

I was talking with some students at Northwestern about blogs, and the question of trustworthiness and accuracy arose, particularly if one is planning to site a blog in a research paper. I came up with some criteria that turn out to be similar to those in a publication from Google.

Thomas Vander Wal has a nice essay, describing his views of his Model of Attraction and Personal InfoCloud, The Come To Me Web. His view is that we are moving from a place where "I go get" what I want to a situation where what I want "comes to me."