Here is a very good post about what hyperfocal focusing is from photoheadonline.com
The techniques of Hyperfocal focusing and Zone focusing are very powerful techniques that all photographers should at least know about. Depending on your shooting style you may or may not use these techniques on a daily basis but knowing about how the techniques are used will give you a new tool in your photography tool belt that youâ€™ll have when you need it. Donâ€™t dismiss these techniques because youâ€™re not a â€œStreet Shooterâ€, the same principles are used for all types of photography such as food and product photography. Large format photography, Architecture, Fine Arts. You can use these techniques in all styles of photography. Read More Here.