Forbes.com: Salesforce Slammed After Rosy Meeting: "The company has about 161,000 paid subscribers, who pay between $68 and $72 per month to use the software. Key measures of success in this model--referred to as 'software as a service'--are renewals and maintenance of average selling prices. Cakebread and Benioff said that, because the company upgrades its software with new features about three times per year, customers do not try to muscle discounts when their subscription expires. "