Roman Abramovich supposedly has a system like this on his yacht: <a href="http:&#x2F;&#x2F;www.wired.com&#x2F;2009&#x2F;09&#x2F;russian-billionaire-installs-anti-photo-shield-on-giant-yacht&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.wired.com&#x2F;2009&#x2F;09&#x2F;russian-billionaire-installs-an...</a>