&#62;Bob Sauerberg, group president of consumer marketing for Conde Nast, expects digital versions of its titles on the tablet may one day command higher ad rates than those of their print versions, because readers are highly engaged with mobile devices like the tablet and can make impulse buys.<p>I don't understand why major media companies—News Corp., NY Times, Knight-Ridder, Condé Nast—haven't already cartelized their advertising.  They seem to depend on a market rate for internet advertising, which obviously isn't paying enough for them to sustain their operations.  Why haven't they banded together to create the equivalent of The Deck? <a href="http://decknetwork.net/" rel="nofollow">http://decknetwork.net/</a>