An article titled Dr. Google and Dr. Microsoft in the New York Times updated the health-care horserace between the two companies. If you really want to scope out the race, keep an eye on the blogosphere. Google, as usual, attracts tons of attention, from critiques of their advisory board to a dissection of their public statements. There are also the official blogs, such as the Google Health Advertising Team and Microsoft’s worldwide health director.

Since 80% of internet users have searched online for at least one of 16 health topics, the stakes for this race are high.