“In one sense, Page and Brin are just formalizing an arrangement that has evidently existed at Google for the past several years—the two of them at the helm of a company largely occupied with seeking out new and strange areas of innovation. The bet, it seems, is that this arrangement will improve the chances that Page and Brin’s unconventional investments will pan out—and that, if they don’t, the rest of the company will be better insulated from its founders’ mistakes. Until then, Sundar Pichai can focus on the boring, plodding business of actually making money.”