Google spreads itself but nottoo thinly

It’s tempting to see Google’s announcement-a-day behavior as a sign of Microsoft-like mission creep. Just this week the search firm said it would begin building a broadband network, blew millions on a Super Bowl advertisement and launched a new social networking feature. While this might sound like corporate attention deficit order, Google’s initiatives are nothing like the software group’s sad path to obese mediocrity. When Microsoft was on top of the world in the late 1990s, the company had an...