If for some reason your Android powered smartphone does not perform as good as it used to, or you want to sell it I suggest you to bring it to its original factory state.
If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
Talking about awesome coincidences... A GoPro camera fell from a plane carrying sky divers and lands in a pig pen! This guy finds it 8 months later and posts it on YouTube.
X-rays are a form of invisible, high-frequency electromagnetic radiation. X-rays are very small and energetic. They are used in different branches of science.
