Articles
Plain explanations of the specifications, pricing tricks, and support policies behind the gadgets people actually buy.
How to Tell a Real Gadget Deal From a Fake Discount
The crossed-out price is the least reliable number on any product page. Here is how to check it in about ninety seconds.
What the Numbers on a Power Bank Actually Mean
A 20,000 mAh battery does not put 20,000 mAh into your phone. Here is the arithmetic that explains the gap.
Robot Vacuums: What Actually Matters and What Is Marketing
Suction numbers sell machines. Brush design, mapping, and the dock decide whether you keep using one after month three.
Space Heaters, Smart Plugs, and the Watt Math Nobody Explains
Most portable heaters draw the same 1,500 watts. What that means for your bill, your breaker, and the smart plug you were about to buy.
How Long Your Gadgets Keep Getting Security Updates
Support windows are the specification that decides how long a device is safe to use, and they are almost never on the box.