Pay-Per-Sale: An affiliate marketing program that rewards affiliates based on each conversion to a sale such as when purchasing a product or service from the merchant's web site. Pay-per-sale programs usually offer the highest commissions but tend to have the lowest conversion rates.
Roman Bernard Atwood (born May 28, 1983) is an American YouTube personality, comedian, vlogger and pranker. He is best known for his vlogs, where he posts updates about his life on a daily basis. His vlogging channel, RomanAtwoodVlogs, has a total of 3.3 billion views and 11.9 million subscribers. He also has another YouTube channel called RomanAtwood, where he posts pranks. His prank videos have gained over 1.4 billion views and 10.3 million subscribers.
To put this in context, look at Netflix's corresponding numbers from its second quarter shareholder letter (.pdf). Netflix had 24.59 million U.S. subscribers at the end of the second quarter (and only about a million more everywhere else). The company began 2009 with 10 million subscribers, and for two years has shown year-over-year subscriber growth between 26 percent and 64 percent, with profits to match.