Every time I read The Little Book of Talent there’s something new to learn. While rereading the book few days back, I came across the paragraph given below.

Think of your windshield as an energy source for your brain. Use pictures (the walls of many talent hotbeds are cluttered with photos and posters of their stars) or, better, video. One idea: Bookmark a few YouTube videos, and watch them before you practice, or at night before you go to bed. – The Little Book of Talent

On the same day Prof. Bakshi shared a tweet showing the benefits of reading a random passage from a “super text” before going to sleep. The message shared by him is given below.

When exemplars like Daniel Coyle and Prof. Bakshi gives an advice it’s our duty to act on their advice. For the last few days I have been acting on their advice…

I buy a lot of books from amazon.com. You can view my online bookshelf here. One of the reasons I like amazon.com is because of its recommendations engine. Few days back it recommended me the book Thinking Fast and Slow. It is one of my favorite books.

It not only recommended the book but it also told me why it recommended the book. Since I rated the book The signal and the noise it recommended me the book Thinking Fast and Slow

I got curious and wanted to understand how amazon does it. In this post I will explain the basic idea behind this recommendation.

Let us imagine that amazon has only 5 users and 5 books. The table given below contains the ratings of each user in the scale of 1 to 5. If the user has not rated the book then I have left the value as…