1. Change buffer (like when I copy some text from a website and website changes "some text" to "some text has been copied from example.com"). 2. Forbid either

1. Change buffer (like when I copy some text from a website and website changes "some text" to "some text has been copied from example.com"). 2. Forbid either selecting of text or using right mouse button (might be beaten with some extensions). 3. Exposing Incognito mode for letting some pesky websites show you that it doesn't serve Incognito visitors (I really do not need any history since a typical website's live-cycle is short and redesign usually breaks old links). 4. Informing that mouse cursor has left viewport (is being used in two situations: to propose to sign for a newsletter on your email if the mouse is going off the page or annoying students for not letting to google on the device they are passing an exam). 5. Hiding an ability to save images, most of the "technologies" could be outcome with dev console, but sometimes it really works so good that the simplest way is just to make a screenshot.