Eye tracking technology can track a person's eye movements and pupil size to determine what they are looking at and how interested they are. It is used by social media companies and marketers to study how users engage with sponsored ads and search results. A recent study found that 65% of participants looked at sponsored ads within 10 seconds of searching, and ads were often viewed before the third or fourth organic search result, showing users do pay attention to promoted content.

1. How Eye Tracking is used in Social media