Windows 7 US Online Store - Student Registration

Windows 7 US Online Store - Student Registration: "Enter your college/university email address to see if you qualify."
If you qualify you can get Windows 7 Home Premium upgrade for $30.

Firing up the newest Tasers | Crave - CNET

Firing up the newest Tasers | Crave - CNET: "You can't go to your local sporting goods store and buy these Tasers--unlike the smaller, consumer-grade C2 devices, the X3 and XREP lines are only sold to police, military, and sometimes animal-control professionals."

If lethal defensive devices are available to the public (i.e. guns) why not (usually) non-lethal defensive devices?