While joesoap's comment on the article page is hilarious, it made me think - are there any technological issues to providing (nearly) real-time low-res video fe

While joesoap's comment on the article page is hilarious, it made me think - are there any technological issues to providing (nearly) real-time low-res video feed? It would be scientifically useless, so this is more of a theoretical question about the tech/physics involved.