This clipboard poisoning PoC is fascinating. Another reason to not let JS run on websites you don't know or trust.pic.twitter.com/91uTiROHdC
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
On nasty sites that use JS to hijack c&p I actually have to first paste to URL bar, then ^C again, to be able to paste into terminal.