StartupNation published its annual ranking of the top 20 dorm-based businesses. The winners include: Ablaze Custom Cleaning, specializing in window cleaning; AffordaBook, a website for cheap textbooks; CaptainU, an online networking platform connecting high school athletes and recruiters; and DigitalWingman, which creates 3D floor plans of college dorm rooms and apartments for marketing purposes.

Entrepreneur Magazine tells the story of two young college friends who turned their frustration over finding pants that actually fit into a business. Key quote: “We really are trying to innovate for the sake of solving a problem we see in the world much more so than for the sake of creating a company that’s worth a lot of money.”