O'Reilly Radar: "At O'Reilly, we've long believed that one criterion for long-term success is creating more value than you capture. When you do so, you create the possibility for an ecosystem that's larger than you are. You create a healthy environment in which you, your partners, and even your competitors can thrive.
Twitter, long one of my favorite companies, has turned the corner. After creating a very healthy ecosystem of third-party apps (standalone, web, and mobile), they've decided they need to shut down the market."