Matthew Yglesias offers a strong argument against the usefulness of public choice theory.

Here’s a lesson in the painful side effects of architectural changes: Marco Arment explains how Instapaper is hurt by Apple’s elimination of a permanent cache from iOS 5.

Hacked! by James Fallows. The original blog posts that led up to this story are the thing that convinced me to turn on two-factor authentication for my Google account.

Horace Dediu looks at how much Apple spends to open an Apple Store.

PIMCO CEO Mohammed El-Erian explains why people should be paying attention to the Occupy Wall Street protests. Here are a couple of profound sentences:

People are not living in a mean-reverting world. They’re living in a world of path-dependency, and it’s getting worse.