How federal subsidies

How federal subsidies, cloud computing, and a decision to give its product away led to dizzying growth for one EMR company.

Among EMR vendors, Practice Fusion has gone the furthest by cutting its price tag to zero. The company makes money by showing users banner ads from drug companies and other businesses. "It's free in the same way that Google and Facebook are free," says CEO and co-founder Ryan Howard.

Long preoccupied with research, David Hockney is exploring a new artistic medium that uses high-definition cameras, screens, software, and moving images to capture the experience of seeing.