Have you ever wondered why piracy is rapid in our culture? Answer: We try to catch up to the big companies in making or saving monies. Look at this website image and see if you can spot the manipulation. The RED comes via my pen.
In order to click on that BIG "GO" button you must first sign that you will not compete with the company and second give up your IP rights. But who reads the 4 pages of fine print just to see a picture from a friend. At least with facebook you only have to give your life away once.