Poor Ignaz and Edublogger Buddies

Seth Godin hits us all between the eyes with some nifty examples and a question:

It took Ignaz Semmelweis more than twenty years (he died before it happened, actually) to persuade doctors that washing their hands could save the lives of mothers giving birth. He had the data, he had the proof, but that wasn't enough to change minds.

Data mining and the proximity of the internet to most of what we do ...