Weather apps are duller than a doorknob, but one can put a little spring in your step. It's like having a counselor who sends an encouraging note each day, even if the real point is to help you decide how to dress for the day and get your work done. Late last year, the Sunshine app surpassed a million users. You can interact with the app and select an option about how you are feeling, such as cold, energetic, or distracted. Thousands of other users in your area do the same thing, and the app uses this information to determine how the current weather might impact your day, both physically (getting wet, rays of sunshine) and emotionally (distracted, charged up for work, or a little down. The app sent you a message to eat a hearty breakfast because the morning will be foggy and cold, but then the clouds will break and you can enjoy life. The app builds on thousans of peoples reaction to weather.