I've found it mildly useful for when I say I'll meet up with a friend but I've forgotten their address, so then look at my timeline to see where it is (since I

I've found it mildly useful for when I say I'll meet up with a friend but I've forgotten their address, so then look at my timeline to see where it is (since I generally remember the last time I saw a friend, if not exactly where their house was).