devoted to this channel, despite a share of audience far beyond that. As IDG's Matt Yorke asked at the Crain's B-to-B conference -- how much of this $20 billion market would a publisher like to have? To which I would add, how much additional revenue and brand lift can a marketer get by adding tablet-centered content and promotion to the marketing mix? How much can be lost by letting competitors get there first, when buying decisions are made from the content provided for the tablets?  As I wrote awhile back, marketers have learned to adapt to the ever changing online landscape . We think it's time for more commitment to the tablet experience as part of that continuous adjustment process.