Complex sentence: He makes his income from hidden advertisements on media and social websites, even though his income comes mostly from hidden advertisements around the web, he still supports the right to block advertisements with add-ons such as Ad-Block for Google Chrome.
Split into simpler sentences: He makes his income from hidden advertisements on media and social websites. Even tough his income comes mostly from hidden advertisements around the web, he still supports the right to block advertisements with add-ons such as Ad-Block for Google Chrome.