The Economist summarizes the mHealth Summit in a brief but meaty article that summarizes the massive detail presented. Gates: beyond the pilots, technology has to be replicable and scale up. Anta (Inter-American Development Bank): ‘We know little about impact and nothing about business models’. Business interest is stimulated by 1) cloud computing applications, 2) US adoption of EHRs, 3) developing countries’ mHealth ideas and business models (such as mobile banking), 4) substituting technology for medical labor (Healthpoint Services and P&G support). M-powered: the convergence of mobile telephony and health care is underway.