Watermarks are a great way to protect your photographs if you don't want other people misusing them. We will create a simple but effective text and turn into a Gimp brush so you will be able to stamp your work.
Apparently Google Glass lets you take pictures by only a wink gesture. It has a second little cam/sensor facing the person wearing it which is suppose to detect eye movement and blinking gestures.
Sometimes we don't want others to know about our newest relationship gains or losses. This is the way your friends and other Facebook users won't even notice it when you change it.