More than 75 percent of corporations have policies that prohibit the use of consumer OFS (online file sharing) and collaboration tools, yet employee use of the services is still rampant, according to an Enterprise Strategy Group survey. "The thing is, IT had control of the data in the past. Now, it has only been three years since this [OFS] market has taken off and now data is everywhere," said Terri McClure, who spoke at SNW here Tuesday.