What is a USB 'header' (and how is it different from a port)?

With the prevalence of USB devices, it might be easy to mix up USB headers and ports, but there is a key difference between ...
The New York Times

The Best Travel Plug Adapter

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Geoffrey Morrison The Epicka Universal Travel Adapter has been updated to ...