Two recent essays by leading visionaries in the computing world about networks and public policy come to the same conclusion: carriage and conduit must be separated. David Isenberg, formerly of AT&T Labs, is author of the influential article Rise of the Stupid Network. David Weinberger is the co-author of the Cluetrain Manifesto. Both Davids are behind The Paradox of the Best Network.Bob Frankston, most famous for creating Visicalc with Dan Bricklin, has published an essay on Satn.org entitled Connectivity: What it is and why it is so important.