Art Technology Group (ATG) was an independent internet technology company specializing in eCommerce software and on-demand optimization applications until its acquisition by Oracle on January 5, 2011. ATG continues to be based in Cambridge, Massachusetts and operates under its own name as a subsidiary of Oracle. The company is a provider of eCommerce software and related on-demand commerce optimization applications. ATG's solutions provide merchandising, marketing, content personalization, automated recommendations, and live-help services.