Why advertise Netflix Free trial for 30 days?
What happens after 30 days. No more films ?
What happens is you discover $8/month is a good price for unlimited viewing of a huge video collection, and the featured site continues to get more funding by running Netflix ads. TANSTAAFL.
Amazon Prime is a slightly better deal @ $79.00 a year.
Amazon Prime members enjoy
Prime Instant Videos
Watch over 25,000 movies and TV episodes
Free Two-Day Shipping
Get fast, free shipping on over 15 million items
Kindle Owners’ Lending Library
Borrow from over 180,000 titles for free
It looks like OpenCulture.com creates and hosts directories of free online content, and posts ads (like Netflix) to pay the rent.