Notify sends an SMS as well as an email at the same time with minimal users interaction. Useful to let your manager know or friends if youre going to be sick or going to take a few days off, ideally if you dont want to call your boss or friends, it access your contact list to choose the people you want to contact to. It also includes a calendar feature to easily choose the dates you want. By sending an SMS and an email at the same time you make sure they get your message.