Sliding Doors of Doom!
As a person terrified of social ostracization, there is this moment of apprehension whenever I approach an automatic door. I test the limits. One step at a time. Has it seen me? Will it open? What is it bloody thinking? I bet its pranking me! I'll go forward and it'll stay closed. I'll bang into it and the entire mall will converge around me to laugh at my folly, the door joining them, opening and closing in mirth, mocking me.
ANYhow. There should be some sort of signal to let you know its operational. Like a line which shows where it can sense till. And if you cross that and it doesn't open, you can retreat with your dignity intact>











