Amazon B2B B2B2C B2C C2B2C C2C clicks and bricks clicks-and-mortar commercial service provider Cyber Monday dark swap disintermediation dotbam dot bomb dot com dot-com deathwatch dot-com rage dot snot dynamic commerce e-business e-commerce e-signature e-tailer e-wallet first-mover advantage freemium get-rich-click infomediary last-mover advantage m-commerce metamediary MTBU netco P2P pay-per-listen pay-per-read pink-slip party reintermediation sneakers-up superdistribution t-commerce tri-channel v-commerce vig X2Y