most people find this feature very fascinating, because they rarely have the opportunity to first slide along the natural slides of a river canyon, and soon after be racing down wire over one of the most beautiful valleys in the country. you guys ready to see this one?!?! this resource is a combination of several types including: work, language material, books. this is not news to most people. one thing that i have to also mention is file management. there might be some quiet voices among a generation of young people who would thank us for raising this question. 