Shops set your price from where you are and what you've looked at before. Asymmetry opens the shop for you with a better buying profile.
Get it on the Chrome Web Store and pin it to your toolbar.
Find a hotel or flight on Expedia or Trivago, the usual way.
Click the extension to browse the listings privately for less.
Choose a shop to open with a better buying profile.
Your address, your device, your clock, every page you've looked at. All of it changes what you pay.
A new shopper, somewhere the shop quotes less, who has never visited before.
Book as you normally would, and pay the lower price.