Within a few months, he partnered with the National Foundation for Celiac Awareness and now produces content for its website and gluten-free food providers while also acting.

WSJ: Make a Second Job Work for You

Smaller social networks, image-sharing sites, free website hosting platforms and hacked websites are increasingly being used by content distributors desperate to avoid detection.

BBC: Child abuse 'big business online'

YouTube, the most visited site according to video use, is free, as is the core part of Hulu, the Dow Jones and NBC-owned website that streams content from the major networks, along with participating cable partners.

FORBES: Streaming Works: Netflix Is Piping Hot Again