Everybody looks for easier process specially to those stores who's always packed with people who get irritated on long lines and missed their place so he/she will stay on the end line again.
Introducing our product, LED QUEUING System might do the trick from your problems. Big payment outlet adapt this technology and, you might want to consider to your own company.
Here are the actual pics for your reference;
Please contact me for more info Vladimir V. Lima at 0917-8258877/ firstname.lastname@example.org