This company knows the important bits (and bytes) about interactive marketing. DigitasLBi provides digital communications and direct marketing services through several operating agencies: Digitas Health, Digitas LBi Commerce, Prodigious, Solutions Digitas, and Publicis Modem. Operating from about 40 offices spanning 26 countries, the agency offers website design, e-mail management, and demand generation services which enable clients to build marketing campaigns across a plethora of media channels. It has worked with such big clients as American Express, Kraft, General Motors, and MillerCoors. DigitasLBi is a part of the Specialized Agencies and Marketing Services division of Publicis.