A nice article by Aaron Swartz about how productivity is more about optimising the types of tasks worked on during time slots with differing quality (focussed vs. unfocussed, stressed vs. unstressed, etc) than maximising the amount of time you have.
Creator of TypeSense, which looks like a potentially interesting search tool for the digital garden once it gets big, about the unreasonable effectiveness of just showing up every day and doing a little bit of work.
An article in Wired about how the pressure of GTD could be related to that all-too-human universal fear: of death.
An interesting take by Justin Dirose on the limits of current productivity tools and the more universal, human needs a new generation of tools will need to address. Resonated with me quite a lot this piece.