John Muir Trail: A landscape you'll never leave behind

"We are given life but must accept that it is unattainable and rejoice in what can be held in the eye, the memory, the mind," -- Salman Rushdie, "Shalimar the Clown."In the age of Big Data we measure everything. From the number of "likes" on our vacation photos to the number of stars crowd-sourced gadget reviews assign our latest toys, it's hard to find an experience that isn't digitized, categorized, ranked and judged.