Airlines already do it. Amazon does too to a smaller extent. But Airlines are the worst. Search a few times and watch fares go up right in front of your eyes.
” But Airlines are the worst. Search a few times and watch fares go up right in front of your eyes.”
Yes I have learned to limit my ticket searches as much as possible. Can save some $$$$ that way.
Aware of this. I use throwaway emails and VPN with IP switching to beat this system.