Can IT strengthen the economy?

At the Garner IT Expo in Orlando, Fla., Cisco CEO John Chambers predicts that as the economy turns, many company heads will be looking for flexibility along with cost effectiveness--aspects that video conferencing and social networking provide. He forsees that, soon, IT and business strategy will be so intertwined we won't know the difference between them. Interviewers: Ken Dulaney and Tom Bittman of Gartner.