Your mobile application serves your business with yet another key feature that will help increase communication and get people coming back. Stay in contact with your customers by gathering names and email addresses directly inside your mobile application. Prior to this, the message you wanted to get to your customers was a hand written sign hanging in the window. We will be closed for vacation between this and that. How many customers were disappointed when they drove to your place of business, only to find you were closed? Never give a bad surprise again, with a simple email; you can make sure all your users have notice of all pertinent information regarding your business.