Over 25 million views and 50,000 + comments, "Free Hugs Campaign" is a your basic 'feel good' idea that can touch many hearts.
Was featured on Oprah (he gave her a hug of course) and was great promotion for the band Sick Puppies.
So tip number 5 for topping youtube video is do something that touches the heart... like giving a stranger a hug.
Here's how the creator described the following video:
"Sometimes, a hug is all what we need. Free hugs is a real life controversial story of Juan Mann, A man whos sole mission was to reach out and hug a stranger to brighten up their lives.