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.
Throughout 2012 and 2013, PewDiePie's channel was one of the fastest growing on YouTube, in terms of subscribers gained. In 2013, the PewDiePie channel went from 3.5 million to just under 19 million subscribers, and by the end of 2013, it was gaining a new subscriber every 1.037 seconds.