In a breakthrough that could reshape global surveillance, Chinese scientists have developed the world’s most advanced spy ...

The system detected details as small as 1.7mm / 0.07 inches and measured distances with an accuracy of 15.6mm / 0.61 inches – a performance 100 times better than the current best spy cameras ...

However, be wary if any outdoor cams are pointed toward windows so they can see indoors, which is a legal issue just like an indoor spy cam. Yes and no. The owner of the Airbnb can keep cameras ...