We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).
The whole damn internet is built on a one-to-one/two/many way messaging (since we're speaking abstract) protocol.
I wonder if there's actually any new messaging protocol invented since 2005 that's worth mentioning.