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The SteriPEN is a very popular travel gadget. Learn more about the SteriPEN at HowStuffWorks.

Spy gear is become popular for home use. Learn more about spy gear at HowStuffWorks.

WiFi detectors are useful travel gadgets. Learn more about WiFi detectors at HowStuffWorks.

Garmin updates are essential for improving great Garmin travel gadgets. Learn more about Garmin updates at HowStuffWorks.

Security cameras are great home gadgets that help ensure safety. Learn more about security cameras and other home gadgets at HowStuffWorks.

Mug warmers are great kitchen gadgets to have in the house. Learn more about mug warmers at HowStuffWorks.

The FoodSaver System is an awesome kitchen gadget. Learn more about the FoodSaver System at HowStuffWorks.

Global cell phones are popular travel gadgets. Learn more about global cell phones at HowStuffWorks.

Hand-powered generators are great travel gadgets. Learn more about hand-powered generators at HowStuffWorks.

Solar-powered backpacks are great travel gadgets. Learn more about solar-powered backpacks at HowStuffWorks.

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