How well have you kept up on this week's tech news?
Electronics-maker LG causes a stir with a new child-tracking wearable device.
Why "Big Data" may help hospitals deliver better care outcomes.
The challenges of developing a social media strategy for the US government.
Schools are preparing for standardized tests on computers. Not everyone is ready
A Massachusetts start-up uses data to create faster bus routes.
A father-son duo recount how technology changed clandestine freight train travel.
Was the social network's manipulation of news-feeds for data-gathering ethical?
A research study produces an Internet backlash
