system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do some credit card readers tell you to insert and remove your card as quickly as possible and others tell you to leave it in for several seconds?
gpt
The ones that want you to go fast are reading the swipe strip.

The ones that want you to hold it are reading the chip.


Chip is more secure and the rest of the world has been using it for years.

America is currently catching up with the new tech, but there's a lot of POS out there that don't read chips.