Despite promising to curtail the practice, the U.S. continues to eavesdrop.
China's government is requiring the companies to sign a compliance pledge.
We put the spy practice through a cost-benefit analysis.
Another number to remind us how much we've learned a year after the Snowden leaks.
How well have you kept up on this week's tech news?
Spoiler: More than we knew
The NSA and its British counterpart are sucking up data from some mobile apps.