The Internet never forgets
Recently Facebook released a tool called Off-Facebook Activity, which allows you to review and remove data collected by Facebook from other sites. Facebook of course uses this information to help tailor personalized advertising. That's the most generous explanation of the purpose of this data. Facebook has of course been criticized in the past for its use of user data, and it lax controls over that data. The Cambridge Analytica scandal being the most famous example. Facebook has had ways for you to look at the data from its own site, which it rightly calls your information (facebook.com/your_information/). You can download your data, although there doesn't seem to be a way to delete things like your search history. Oddly enough there is a category called Search History, although it doesn't really show you your search history as much as all of your activity (which pages you liked, which posts you commented on, etc.): Google has for some years allowed users to manage their browsing data and other related private information (through the My Activity tool), including the deletion of your entire history. Not the most user-friendly tool, there are many different things you would need to turn off to get Google…