LOOKING THRU THE DOGFOOD: Spotted outside a too-cute breakfast spot in the heart of Silicon Valley: Google cofounder, Sergey Brin with his wife and toddler, having a cheery morning moment. What was memorable, however, were the new age Google glasses, perched on Brin's nose. It's weirdly reassuring to see Brin elevate that classic Silicon Valley developer boast of "eating your own dogfood"-- namely using the products you make--to a new, um, plane. (Here's Brin demo'g the glasses on the Galvin Newsom show in May.)