But wait, there's more! Of course Google announced updates to Shopping as well:

• Universal Cart - an intelligent shopping cart you can use across merchants & services. Now you can participate in capitalism right from Google Search, in a Gemini chat, in your Gmail, or on YouTube.
• Add a product & the smart cart gets to work hunting for deals & price drops, can also alert you when an OOS item comes back in stock
• Uses "intelligent reasoning" to anticipate your needs & solve problems. Example: you're building a custom PC and some of the parts you add to your cart aren't compatible. The cart will tell you and suggest alternatives.
• Check out with Google Pay or transfer your items to the merchant's site to buy.
• Rolling out in Search & Gemini app this summer, then YouTube & Gmail later.
• UCP expanding to Canada, Australia, and U.K., and to YouTube in the U.S.
• Agent Payments Protocol (AP2) lets agents make payments on your behalf.