I had to explain this similar concept to a co-worker who always puts his tracking info in his parts orders. He didn’t understand until I started asking him about firearms parts he had been browsing on his own Amazon account.
His links are now sufficiently sanitized.
The firearms parts he was viewing were suggested to me as things people you know are interested in. He talks about it all the time, so I have him a hard time on the patriotic-sounding names to the parts.