I love this idea. I can think of many ways it could go wrong, but that’s not the point. There’s also lots of ways it could be awesome.
Vilnius, Lithuania, has installed a “portal” that allows residents to make contact in real time with the inhabitants of Lublin, Poland. Each city hosts a large circular screen and cameras by which residents can interact in real time via the Internet.
Source: Neighbors – Futility Closet