The iPhone, iPad, iPod Touch blood pressure monitor by Withings (by withingsFR)
"In reality, this really is a graph of whitespace time. Whitespace is the time between A and B. It’s the time on the subway or bus. It’s the time standing in line. It’s a spare moment."
(via Is Mobile Affecting When We Read? « Read It Later Blog)
Interesting analysis of how people are reading on digital devices.