The more people use it, the bigger it gets. If you play with it too much, you can go blind. You wouldn't believe the stuff people put in there! Some people think they know how to move around in it, but they really can't interface. In the long-distant past, its only purpose was to receive information vital to the survival of the species. Today, some still think that's all it should be used for, but most use it for fun. It has no conscience and no memory. It provides an excellent way to interact with other people. Without appropriate protection, it can spread viruses. It has no brain of its own, it uses yours. If you use it too much, it becomes more difficult to think coherently. Some people would just play with it all day if they didn't have work to do. You may think you're just playing around, but then you’re involved in something that takes nine months to finish. The part you can see is merely the front end of a very complicated system. If you're not careful what you do with it, it can get you in big trouble. It has its own agenda. Somehow, no matter how good your intentions, it will warp your behavior. Later you may ask yourself, "why on Earth did I do that?" Some folks have it, some don't. Those who have it, think that those who don't have it are somehow inferior. Those who don't have it may agree that it's a nifty toy, but not worth the fuss made about it. Those who don't have it spend all their time trying to access it. Once you've started playing with it, it's hard to stop. Some people believe in security and avoiding penetration; others believe it should be open to all comers.