Added "Udacity Intro to Machine Learning Review"

README.md

@@ -177,6 +177,7 @@ Each day I take one subject from the list below, read it cover to cover, take no
 
 ## MOOC
 - [ ] [Udacity’s Intro to Machine Learning](https://www.udacity.com/course/intro-to-machine-learning--ud120)
+    - [Udacity Intro to Machine Learning Review](http://hamelg.blogspot.com/2014/12/udacity-intro-to-machine-learning-review.html)
 - [ ] [Udacity’s Supervised, Unsupervised & Reinforcement](https://www.udacity.com/course/machine-learning--ud262)
 - [ ] [Machine Learning Foundations: A Case Study Approach](https://www.coursera.org/learn/ml-foundations)
 - [ ] [Coursera’s Machine Learning](https://www.coursera.org/learn/machine-learning)