Billions and trillions of data is collected on customer behavior from the huge platform called internet. To these are added valuable information gathered by every organization from different sectors. In this mine of information, Machine learning, pursues an ultimate goal: to better understand customers in order to offer them the best experience possible by offering them the product or service most likely to their need. It's analytical power and the advance in artificial intelligence allows companies to take advantage of the wealth of data they collect. At this point we all know that #bigdata is worth nothing, nada, without proper decryption.