No definite way to reproduce it, but watching a YouTube clip (not HTML5) and browsing a flash-heavy site like http://www.tmz.com with Chromium raises the possibility for the pixel to show (and it persists after closing the browser).
No definite way to reproduce it, but watching a YouTube clip (not HTML5) and browsing a flash-heavy site like http:// www.tmz. com with Chromium raises the possibility for the pixel to show (and it persists after closing the browser).