How Old is our ML history?

So exactly how old is machine learning? 

Here is an example of The Thinking Machine... You can also go YouTube The Thinking Machine if the video link don't work. 

https://m.youtube.com/watch?v=aygSMgK3BEM&pp=ygUUdGhlIHRoaW5raW5nIG1hY2hpbmU%3D

In the 1960s, Artificial intelligence had been used in checkers and Text Mining. We are continuing the great work of what our seniors had done.

Data Science has 5 pillars, Numeric, Text, Image, Video and Vocal.... Which pillar or pillars are you aiming to specialise in? Whatever pillars you are doing... Be ready to be consistently challenged by the market.