I think as more people start making websites and they become easier to made and maintain there will be an overload of pure crap on the web. Google will have to become much better to sort though it and sites like these will be crucial to finding answers to popular questions, because there will be so many personal websites, advertisements, random shit all over the place.
I remember hearing in a TED Talk a awhile ago the the Internet will just be a barley usable toy in the next 5000 days (its been 5000 days since it was created, in the filming of the video).
It is a very good video (as are all TED talks) and should be watched. Here is the Video