Google announced a new form of Google Product Listing ads management named Google Shopping Campaigns.
In short, it is a new campaign type for Product Listing ads that helps you organize your campaigns as you would the product in your store. Google says this new method will help you "manage and bid on your products, report on your performance, and find opportunities to grow your traffic."
Here is a quick video that explains the gist of it:
Google said this is rolling out gradually in the US, with full global availability by early next year. API support will come in 2014 as well. If you want a chance to get it earlier, use this form.