CAMBRIDGE, MA— Six Continents Hotels, Inc. has selected ATG (Art Technology Group, Inc.), a developer of online CRM applications for commerce, portals, and relationship management, to enhance scalability, the precision of its targeted marketing campaigns, and personalization for the chain’s network of websites for its brands: InterContinental, Crowne Plaza, Holiday Inn, Holiday Inn Express, and Staybridge Suites, and the Priority Club Rewards program. By leveraging the flexibility and scalability of ATG Commerce, 6C expects to implement a phased deployment and respond to changes in market demands without having to endure downtime and multiple relaunches of its entire website network of sites.