"You may have lung cancer. Please consult a physician." That'd very likely be the worst alert you could ever see on your phone, right? In the future, though, it could be a reality. By looking at anonymous search history and cross-referencing it with demographic data, scientists from Microsoft Research propose that 39 percent of oncology diagnosis could be made a year earlier -- no Watson required. It definitely sounds like something out of Minority Report, but applied to healthcare.