@media (network: v-slow) {..}
Florian: "It has been proposed. Most people agree that it
would be cool, nobody has a clue about how to spec it in a
way that is useful and implementable. If you find people
with a clue, encourage them to submit proposals to me or
to
[email protected]. Use [css4-mediaqueries] in the
subject line, and read lists.w3.org/Archives/Public/www-
style/2012Mar/0691.html first."