2000 Syrian Islamist fighters and Assad's forces have made a deal whereby the Islamists will evacuate an area near Damascus, leaving their heavy weapons.

The UK government tracked people's movements in Hyde Park through their mobile phones.

This particular project did not record their names, but that would have been easy to do.

There is no conclusive evidence about whether fluoridation of water supply reduces tooth decay, though there is suggestive evidence that it does.

Bangladesh demands fingerprints from everyone that has a cell phone.

That would convince me not to visit Bangladesh, if I carried a cell phone.

Was it the NSA that put the back door in Juniper Networks firewalls?

It has been trying to attack antivirus software.