The end of human's superiority on A.I. in go: AlphaGo defeats Lee Sedol 4-1

DeepMind’s groundbreaking artificial intelligence (A.I.), AlphaGo, defeated Lee Sedol in the final game of the Google DeepMind Challenge Match, winning the five game match with a 4–1 score.

AlphaGo now goes down in history as the 1st computer Go program to defeat a top professional player, and was awarded an honorary professional 9 dan rank by the Korean Baduk Association (note: AG is even ranked nr 2 on http://www.goratings.org/ :-).

More info on https://gogameguru.com

PS:....among many others sites and articles...the event was largely commented !
For instance: Michael Silcher (member of the board) was interviewed on RTBF. Listen to him here: http://www.rtbf.be/radio/podcast/player?id=2091036&channel=lapremiere