Useful article about types of business, the powder keg explosive business, the empire built long and hard or the movement, built slow and steady on a gradual rise to success. Most businesses are movements, aka tribes.
Great article talking about whether a product helps people improve (vitamin) or solves a painful problem (pain killer). The latter being what people buy most easily. Also introduces the concept of pain points, when products go from vitamin to pain killer.
Seth riffs on how to make money online. A series of simple, low risk business ideas that with some effort could make cash.
Seth Godin riffing on what he calls "cliff businesses", which need critical mass before they work. Great concept.