In the wake of Facebook's public offering, Walter and Derek talk about startups. Is overinvestment in social media harming potentially more fruitful endeavors? They lay out what government must do to foster innovation. Derek makes the case that, despite high costs, a college education is still worth it. Walter and Derek discuss the pros and cons of "crowdfunding," where a new company raises money through many small investors. Finally, they try to figure out why Facebook's stock didn't pop.