For those who do not have a Facebook account, no worries -- Facebook's partners still track your movement from one website to another and share the data with the company.
Mozilla's data-sharing platform, Rally, and The MarkUp, a nonprofit newsroom that investigates how technology influences society, have formed a partnership to look into how Facebook tracks people even when they’re not using any of the platforms owned by the social network's parent company, Meta.
The Rally Firefox browser add-on allows users to donate data to studies designed to investigate how companies use the internet.
Facebook states that third-party websites and apps may choose to share information with Meta from cookies set in their own websites' domains, whether or not the person has a Facebook account or is logged in.
Mozilla’s study will delve into how Facebook’s tracking infrastructure collects data about people online, data used to target ads, tailor content recommendations, and sometimes spread misinformation by browsing the web. The two companies will use Rally’s tools to research how it’s done.
Data collected includes:
Mozilla invites people to take part in the research by downloading Firefox and opting into The Facebook Pixel Hunt study.