Rosa's Pizza is just your average local pizza joint, a place to get a great slice and chat with your neighbors except for one thing- this pizza joint donates up t 100 slices of pizza to homeless locals EACH DAY. So how does it work? Customers can choose to add $1 to their total and write a note on a post-it to stick on the wall. Any homeless person can come in, grab a post-it note and redeem it for a slice. After their cause had gone viral, they were able to hire more employees using an agency that employs homeless locals, furthering their give back program.