Facebook has both advantages and disadvantages of themselves. The advantage of it is that we can use them as tools to communicate various messages, photos and videos, or keep their own showcases both his friends brother. Best penalty. We caught it too, they did what many. Whether it's private time in real life that must be broken to no avail because the MUA, but engaged in the online world. Best social technology is also a sword with two sharp at all security flaws may inject into us without realizing it. So we should grasp the various technologies and to provoke things should stop thinking before fall speech.