YouTube tests carousels on the homepage

Here's how you can enable the experiment:

• Go to YouTube.com and load your browser's developer console:
  
• Google Chrome: Tools, Developer Tools
• Mozilla Firefox: Web Developer, Web Console
• Internet Explorer: Developer Tools (F12), Console
• Copy and paste the following code:
  

  document.cookie="VISITOR_INFO1_LIVE=ntoU7n3eEOA; path=/; domain=.youtube.com";window.location.reload();

• Press Enter and you'll see the experiment.

If doesn't work, try this other method:

• Open Chrome and install this extension.
  
• Go to YouTube and select "Edit Cookies" option on the context menu:
• Find a cookie named VISITOR_INFO1_LIVE and replace the value with this cookie value:
  

  ntoU7n3eEOA

• Click "Submit cookie changes" and refresh the page.