The best reason to use Twitter is because the platform is based off of giving everyone the ability to create and share ideas, instantly and without barriers. In the 21st century you have to remember that everyone for the most part, likes to stay connected, but to stay connected, instantly. With Facebook, the platform is built off of staying together and staying connected. Your mostly sharing experiences and humor with Facebook. It's platform is not built to be instant or fast, it's more of a newspaper then anything.