This USB memory stick from SolidAlliance detects unusual magnetic waves.
If something is detected, the device produces audible alerts and flashing red lights.
I have never seen this used on the Ghost Hunters show, and I doubt it is for paranormal "professionals".
I know! How about letting you know when your deceased loved ones decide to float on in while your visiting a questionable web site?
Implications - Since USB drives have become a popular form of technology, businesses have started to create them (as well as other popular items) into items that are more personal and have the ability to reflect one's personality. People often like to buy items that reflect who they are as a person.
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Productive Low-Cost Tablets
Customizable Fresh Juice Subscriptions