RFID

I know it's nothing new, but some of the applications that they can be used for are starting to be more appealing. this video about using them in your home with a scanner attached to your computer is pretty terrible but it does make you think about the practical uses for them.
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And then you read this and it scares the living crap out of you and you want to get as far away from a computer as possible. The Big Brother era is definitely beginning. Do the advantages outweigh the disadvantages? I hope so.

When we are so eager to put all our information out in the world for everyone to read such as blogs, twitter and one of the worst - facebook we really do deserve what we get. You can't have your cake and eat it.