[throwaway512793]

Well you can delete your Facebook profile, which takes 30 days until all data is removed. But then you also delete your Friend List, the chats, the list of sites you subscribed to, the groups, the events and your Ad profile.

Don’t get me wrong, I actually find it useful sometimes to receive targeted ads. It worked for me often enough such that I noticed products, events or groups that really are interesting to me and which I otherwise probably wouldn’t have found. I recently started browsing YouTube logged in with my profile again and the recommended videos are much better than when I have an incognito browser.

Nevertheless, it must be possible to at least delete your public interactions with one click. I don’t see any business reason for Facebook and Twitter to keep year old posts public.