And even if it does work, it is not clear how long the implants will keep working, whether they will damage the nerve cells and whether there will be a problem with immune rejection.

BBC: NEWS | Health | Spinach may hold blindness cure

The game never explains why you have such long yardage, but it does keep the game closer.

CNN: Cyberplay: The Blitz Works!

And citizens, especially those suspected of no crime whose data is gathered up in a dragnet, deserve more clarity on what law enforcement does with their data and how long they keep it.

ECONOMIST: Government surveillance