José Javier and his friend, who run a YouTube channel for their local band, aimed to “get rich and buy a mansion” by signing up for Google AdSense adverts on their videos, before being hit with a six-figure bill for the adverts they had placed instead.
Read MoreGoogle AdSense allows users to monetize their content, including YouTube videos and websites, while AdWords allows users to advertise their own content or product around the internet...