Why AlphaGo is uninteresting. Same observation Phil Agre and I made in mid-80s! https://medium.com/@karpathy/alphago-in-context-c47718cb95a5 … by Andrej Karpathy 
@xuenaypic.twitter.com/VzKzlegtxJ
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Yes… I sort of think I actually know what is going on with those, and it’s not magic at all. But, can’t be confident without experimentation