There is this game named the Six Degrees Of Bacon to see how many degrees of separation you are from Kevin Bacon and the number returned is the Bacon Number.
Now, Google has decided to plant an easter egg in their search results, i.e. knowledge graph for this.
So if you Google [bacon number meat loaf] you get this:
If you Google [bacon number charlie chaplin] you get this:
It is a pretty geeky way to handle the Six Degrees Of Bacon.
Google's Othar Hansson, who is probably directly related to this easter egg, said on Google+, "it's fairly clear that the distance metric is not a measure of acting talent."
Forum discussion at Google+ and WebmasterWorld.