Pixar's first feature film was "Toy Story" because their then-groundbreaking computer animation technology could only create characters who were stiff and smooth. Plastic toys were ideal characters. Each film since has shown exponential technological progress -- the furry creatures of "Monsters Inc," the balloons in "Up," Merida's curly red hair in "Brave." With "Finding Dory," Pixar has created its most ambitious character yet, a seven-appendaged, camouflaging octopus named Hank, voiced by Ed...