The danger from computers is not that they will eventually become as smart as man, but that we will agree to meet them half way.
Computers are a lot like air conditioners, they both work great until you open windows.
Linux is only free if your time is worthless.
That app puts a filter on the screen. has a minor battery drain as it runs on the background.
A better way to do this is by modifying the firmware to reduce brightness levels beyond the factory designated point. It was possible in S2 and Galaxy S. But the same method doesnt work for Galaxy Note 2 or Note 3. Firmwares and files are now a lot more different.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?