How Bing is out-innovating Google

Google is one of the smartest, most innovative companies in the world, but in its core business — online search — it’s being routinely shown up by Microsoft’s third-place search engine, Bing. Bing is a surprisingly fast-moving, innovative product — and it’s forcing Google to play catch-up time and time again. Years ago, for example, Google set itself apart from other search engines by...