This article is excellent. It takes a common idea (Uber for X), puts it through a simple but appropriate 2x2 lens (skill & scheduling), and produces a valuable

This article is excellent. It takes a common idea (Uber for X), puts it through a simple but appropriate 2x2 lens (skill & scheduling), and produces a valuable insight with broad applicability (most markets are not like taxis). Thanks to Sam Madden for writing it and to you for sharing it.