What is the use of HEARTBEAT extension in youtube ?

Heartbeat is a free extension that grow faster on you tube by adding new features.It is created by freedom company.Heartbeat, currently available only as a Chrome extension. if you want to add heartbeat extension to your chrome.

Open your chrome browser.

go to settings and select more tools and choose extensions at left side of the page.At the bottom of that page you will find  "get more extensions" then type heart beat in google web store.

Select "add to chrome".

Select "add extension".

After successful installation you can see logo in right side of chrome.

After installing Heartbeat Go to www.youtube.com  to see all the new YouTube features!
     1.Dark-mode for easier night time viewing.
     2.Improved search for you-tube comments.

You can also notice the

    1.Estimated earnings for your favorite you tube channels.
    2.See who monetizes each video.
    3.See Facebook likes,twitter tweets and google +1's.

This extension is most useful  for people who are uploading their videos in their channel.They can easily find most popular tags of other videos and copy them to their videos.

I hope this information is useful for you.