The most important questions for entrepreneurs
Sara Savathy of the University of Washington on “What makes entrepreneurs entrepreneurial“:
All entrepreneurs begin with three categories of means
Who they are – their traits, tastes,and abilities;
What they know – their education, training, expertise, and experience
Whom they know – their social and professional networks.
The article is insightful in that it contrasts the traditional model vs. the effectual logic model. Here are other resources from Khosla Ventures. Khosla Ventures focuses on green technology and business investments–so the bulk of resources fall into that category–but they also have light coverage other tech sectors as well.
(h/t Ben Cosanocha)

This video on becoming an expert in a niche area from Jason Randal at the 99 Percent Conference is quite impressive.
http://the99percent.com/videos/6125/jason-randal-stretching-rewiring-growing-geometrically
(You might click through to watch it at Vimeo–theoretically it should stream better)