The demand for massive data centers close to consumers will increase rapidly as cloud services proliferate and data traffic increases. Yet, they will not emerge everywhere. Just having cheap renewables-based electricity is not enough, as is shown by Singapore and Dubai becoming attractive sites. A whole eco-system is needed. “There is major demand coming from IT-enabled service providers, online portals, e-commerce companies, stock brokerages, and insurance firms,” said Sunil Gupta, president and chief operating officer at Netmagic Solutions, a data centre company which was acquired by Japan’s NTT in January 2012.