Everyone wants a magic button, but it just doesn't exist.
A young teenage boy might start searching for sports, and end up on the Sports Illustrated Swimsuit Edition Web site.
They don't allow for a lot of research. If you have something too restrictive, they won't find what they're looking for.
If you're surfing and will go wherever the Internet will lead, you never know where you're going to go. You go link to link to link.