SAP is embracing the concept of componentized applications, while not necessarily thinking of Web 2.0 in this context, said Nolan.

With Web 2.0, "IT is less and less in control," he said.

An audience member said Web 2.0 is more than just technology and stressed the service-based delivery of applications. Another audience member said Web 2.0 on a global basis includes the convergence of the mobile and PC worlds.

Issues around liability with respect to Web 2.0 were raised, such as a recent lawsuit against Google by a party objecting to its data being on Google's servers. The issue is "an unsettled area of law," Glaser said. Perkins Coie represents Google.

"Most companies want to be picked up," by Google, he said. The panel suggested that companies who do not want to be screen-scraped by Google will have to just say so.