@TeamYouTube Why did this show up as the thumbnail. . . I've never seen it before in my life, but I think it's pretty funny. (Also, would like to point out this was supposed to be a Minecraft Video.)pic.twitter.com/OIqzqOk1Ax
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
We've seen a few similar reports and looking into it! Can you also try clearing cache & cookies or try using a different browser / device? Let us know.
It seems to have been fixed, when I set a custom thumbnail, anyways thanks for the help!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.