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Your body can weaken a Wi-Fi signal

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Your crippling internet lag might literally be your own fault. Wi-Fi relies on radio waves at the 2.4GHz frequency, which just so happens to be the exact frequency that water absorbs most efficiently (it's how microwaves heat your soup). Since humans are essentially just giant, walking meat-sacks filled with water, a crowded room will literally soak up your router's signal like a sponge.

Your body can weaken a Wi-Fi signal
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