Good piece in Fast Company about a company addressing the problem of "gross" grocery store touch screens. "After grabbing unwashed produce and packs of raw meat, dozens of customers poked at the same checkout buttons. When was the last time they were cleaned? Who knows.
But a new idea out of the London-based design studio Special Projects fixes the hygiene heebie-jeebies that come with grocery store touchscreens. Called Moving Buttons, it intelligently moves the onscreen buttons for each customer, ensuring that two people never touch the same spot."
You can check it out here.