The different types of pay-per-click advertisements include: Search (text-based ads on Google or Bing search results), Display (image-based ads on websites, Video (video-based ads on YouTube, which you can push to websites), Shopping (product listings on Google or Bing search results), Social media (image and/or text-based ads on social media feeds), Remarketing/retargeting (serving targeted ads to people who have already visited or taken an action on a website).