jdavidson··on Using Google Voice To Track Performance of Online AdsThis is similar to the idea of Yext (http://www.yext.com/) from TC50.
jdavidson··on Ask HN - What's your best startup idea?http://en.wikipedia.org/wiki/VantageScoreSounds like it is a step towards transparency but doesn't seem to have much adoption yet.
jdavidson··on Seth's Blog: The problem with positive thinkingAny one have links to the evidence mentioned for the effect of positive thinking on performance?