Will economic downturn push companies into the cloud? [video]

At the TechCrunch Cloud Computing Roundtable in Mountain View, Calif., Marc Benioff, CEO of Salesforce.com, explains why he thinks Microsoft's entry into the business will bring validation to the cloud. Many CTOs, he says, still need to be convinced that using software as a service will save them money and move their companies toward the future. Moderator: Steve Gillmor, editor of TechCrunchIT.