View tweets exchanged between any 2 twitter handles over the years.
Put in two Twitter Handles, see if they've interacted via tweets ever.
Why?
1) because we learn from seeing others relate
2) because it can be good to see more than just the last 24 hours in a community
3) help you remember if you've ever engaged with somebody or vice versa
Now you can also search "from follows", to just see if anybody you follow has ever interacted with a given Twitter Handle.