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Facebook Marketplace Buy and sell with your local community. A Craigslist killer.
Lean UX: Applying Lean Principles to Improve User Experience Applying Lean Principles to Improve User Experience
flightSpeak The Ultimate Airport app. Find stuff; connect with others.
The Unsplash Book The world's first 'fully' open source book
Elevator Any team can be acquihired
The Power of Habit Why we do what we do in life and business
The Hard Thing About Hard Things Essential advice on building and running a startup
Zero To One Peter Thiel's new book on Startups