I present you the differential truth timeline: After informing users, randomly inject tweets that state plausible factoids that may be true or false, then have

I present you the differential truth timeline: After informing users, randomly inject tweets that state plausible factoids that may be true or false, then have a button on all tweets that you press to know whether twitter the believes the tweet to be true, false, or unknown. If this doesn't work, they can remove the button entirely during sensitive times (like elections).