Google has announced a major overhaul to its search algorithm it has called Hummingbird. Hummingbird went live weeks ago, but Google is just now confirming it. There really is not much information about it. Google is just stating it impacts how search results find answers to specific questions. You can read more at

Google rolls out ‘Hummingbird’ search algorithm – CNBC

and

Google introduces new ‘Hummingbird’ search algorithm – Chicago Tribune

and a host of other places. The stories read more like a press release though instead of having any real information.