What are some cool things you can do with your MacBook that not everyone is aware of? and I'm talking about every day useful things to do work or everyday activities more efficiently. Don't limit yourself, even if its a cool app thats does something cool, let me know. Also, anything related to keeping your iOS devices synced with your MacBook that would be cool to know, too. I'm always up for trying new apps. So any advice or tips are welcomed.