The $30 gadgets are meant to solve 'tunnel blindness' and prevent accidents.
Playing it safe.
In a collaboration with crowdsourced navigation app Waze, we're looking at weak links in transportation.
Free digital maps are changing the way we get around, but is personal data the price?
Google scoops up the crowd-sourced social mapping app, where users volunteer their location and traffic details. How does volunteer surveillance data compare to the PRISM/NSA variety?
