Five things to know about "click farms":
1.A click farm is a business that sells clicks for fans, likes, followers, views and more.
2.People buy clicks to boost their social media numbers, which can lead to profits and popularity.
3.Buying and selling clicks violates social media user rules but is not regulated by state or federal agencies.
4.Click farm revenues are estimated to be worth hundreds of millions.
5.Sellers offer clicks for Facebook, Twitter, LinkedIn, Instagram, Pinterest, SoundCloud, YouTube, Vimeo and more.