We will share ... your account registration information (such as your user ID, gender, name, email address, postcode & age), your content and advertising interests, content associated with your account, the types of services you use and how you engage with them, cookie and device IDs, IP addresses, geolocation information and activity information from across our websites, apps, software and other services. All of the…
For example, if you have any Yahoo Groups you own, you should either delete them or transfer ownership first, as Yahoo has basically left that area on life support only and won't even promote a member to a moderator, let alone owner after a poll anymore -- so there are groups basically accumulating spam, with public posts that need to be deleted, or just unable to get new members.