Controlling the real world or creating intelligent devices can be addictive. The Price of Wireless Shopping Online shopping is one of the supposed killer apps for the new generation of Web-enabled phones and wireless PDAs. The school installed the new machine in a teachers-only room with an Internet connection that allows much broader access than the student machines. No disrespect meant to Grandma, but she defines the trailing edge of the adopter curve. If your firewall screened the programs sending outbound packets, such programs would be stopped dead in their tracks.
Some firewalls claim to do it.
Again If you take the money, you're cashing in on a nonproblem and validating lawyerly greed. Unless you provide extensive alternative text in HTML or build a nongraphical shadow version of your site, it may be impossible for some people to use. Most of us don't have anything quite so vital as state secrets to protect, but theft of numbers and information that we use every day can make our lives a living hell. Try out some of these defense mechanisms. At the words grocery shopping, a wall that looked papered cleared and was replaced by an image of shelves crammed with merchandise.