At the Health 2.0 Spring Fling conference in Boston this week, Health 2.0 co-founders Matthew Holt and Indu Subaiya shared some preliminary data points from a survey they conducted with companies that have demoed or participated in a Health 2.0 event since the first one in 2007. All told more than 360 companies have been on-stage at Health 2.0 events, and while that figure includes a mix of...