Speaking at the 2007 Captains of Industry Conference in Singapore, a Google executive speculated that at current rates of storage growth, an iPod capable of holding all the world’s content could be a reality as soon as 2020. Sukhinder Singh Cassidy, vice president of Google’s Asia Pacific and Latin America Operations, said that since 1982, the price of data storage has fallen by a factor of 3.6 million. “To put that in context for…