Article feom three years ago.
Credit to https://twitter.com/sphinxhaven/status/1621473569204015105?s=46&t=yBkgS7E-HwcqEdtmxmRqoA
Up to 25 unmanned solar-powered balloons are being launched from rural South Dakota and drifting 250 miles through an area spanning portions of Minnesota, Iowa, Wisconsin and Missouri, before concluding in central Illinois.
I can't wait until every single person who attends a protest is positively ID'd by tracing them back to their home with archived footage