Your point of sale is typically only used by your customers to sign and then leave. You can use it for much more. Customers can sign up for coupons and give feedback. Giving an email address at this time can be rewarded with a coupon right away, and coupons and other discounts being sent to the customers email later on. The instant benefit of feedback from a customer while they wait is very valuable and something otherwise difficult to attain.

Read more: How to Maximize POS Data for Top-Tier Marketing