Logicians and their bonnets
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊
，详情可参考heLLoword翻译官方下载
同时，维信诺的第四代发光材料 PSF（磷光敏化荧光）配合 OLED 叠层架构，已经通过调整不同发光层的出光角度实现防窥，原理同样非常底层。，更多细节参见爱思助手下载最新版本
In 1992, in a small shop in British Columbia, a sign maker named Blair Gran stared at a wall full of half-finished jobs and felt something click. Sign-making was treated like a commodity — orders in, banners out — but as thousands of signs came through his shop, he couldn’t help but notice the difference between the good ones and the bad ones. He could see that every sign that left his shop was either helping a business get noticed, or letting it disappear in plain sight.