Webdesign tips and notes

I was curious to know what the term " Nofollow Tag " meant. I came across is, while updating my google provided blog post. I see now google has implemented many changes and I sort of like it. You have the top bar of what you need to post a page.

Here is what I found out about Nofollow Tag:

Infographic: What Is The Nofollow Tag; When & How To Use It

The nofollow tag is a way publishers can tell search engines not to count some of their links to other pages as “votes” in favor of that content. Why would publishers need to block such votes? Doing so can help them avoid problems with search engines believing they are selling influence or are somehow involved

This is great explanation. What are your thoughts about it?