Just downloaded a dump of all the information @Facebook has about me (see here if you want to do the same: https://www.facebook.com/help/1701730696756992)
There's a lot of 'interesting' stuff in there, especially around 'off Facebook activity'...
There's a lot of 'interesting' stuff in there, especially around 'off Facebook activity'...

. @Deliveroo seem to send events to Facebook every time I order (the dates correlate to the morning after each order).
Why?
Why?
. @JustEatUK are the same...
. @TickTickTeam seems to send events to Facebook a lot. This is my to-do list and I've never logged in via Facebook on that app. WTF?
Ditto for @TransferWise. Never logged in there using Facebook. The events are less frequent though.
Similar for @SlackHQ...
Turns out that you can disable 'Future off-Facebook activity' tracking, hidden under an overflow:
Click 'More options'
Manage Future Activity
https://www.facebook.com/off_facebook_activity/
Click 'More options'

https://www.facebook.com/off_facebook_activity/