voice recorders
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The general trend is that 'the bigger, the better'. The bigger a product, the more oomph it has... right? For some surveillance...
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When we think of spies, images of shadowy figures shrouded in mystery often come to mind, their success contingent upon an arsenal...
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In spy stories and movies, our main characters use lots of cool gadgets to solve their missions. But there's one gadget that's...
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Spy cameras and voice recording gadgets are becoming more sophisticated and technologically advanced, but sometimes simple innovations...