In a from Google head of search Amit Singhal, Google shares they have made “more than 890 improvements to Google Search last year alone.”
The 890 “improvements” Amit is talking about is search specific, but goes well beyond algorithms. It includes user interface changes, auto-complete, Google Now and much more.
Amit also shares his “10 biggest Google search milestones since 2004,” as a way to look back at the 10-year anniversary of the Google IPO.
Please check it out at: http://goo.gl/91igd7