POS SOFTWARE
A short time ago, I wrote that research had been done that showed putting a picture of eyes, on shoplifting signs dramatically improved their effectiveness. Here is a sample I showed of such signs with the eyes marked in blue.
Some people asked me about this, so I found these two articles on this subject for you.
http://www.realclearscience.com/blog/2015/12/the_world_would_be_a_much_better_place_if_there_were_eyes_everywhere.html http://onlinelibrary.wiley.com/doi/10.1111/eth.12011/abstract;jsessionid=A3F6C61BB8E32021E28C963D0868D31C.f04t01