@TeamYouTube thumbnails on YouTube look like they've had their brightness up a lot on PC? I've checked another laptop and it's the same.pic.twitter.com/xdIk7NbykG
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
Hmm, that's odd. Have you tried to log out and log back in? Try doing the basic troubleshooting steps. This usually does the trick: https://yt.be/help/sWdH . Keep us posted!
yes, I've tried to log out, I also experience this brightness issue with another account on different PC.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.