Google recently rolled out another update called "Hummingbird".
The update will reward websites that focus on high quality content that provides real value to both customers and prospects. See DBS's content marketing information for more guidance.
Google's press department revealed that Hummingbird has been actually running for a few months. The press team also stressed their guidelines to those engaged in SEO...
"Our guidance to webmasters is the same as always - we encourage original, high-quality content, since that’s what’s best for web users."