General introduction about Google Shopping tool

General introduction
Google Shopping, also known as Shopping advertising, is Google's online advertising service which allows users to search and compare information between a variety of online products on Google search results pages and Google search partner sites. Shopping advertising is only available with e-commerce websites.

Benefits
Stimulating shopping behavior: The visual display and the accompanying information make customers more interested in the product
Increase clickthrough rate: 34 - 35% clickthrough rate will increase twice as much as pure PPC ads.
Increase the chances of displaying ads: Google Shopping offers 15 results that will display in a "carousel chain" at the top of the Google search results page instead of 2.3 the top position displayed as search ads .
Optimizing advertising costs to 25% as Google shares effectively bring to shop owners and business owners when implementing shopping campaigns.
Better return on investment: simultaneous improvement in both CTR and CPC will reduce to ½ of advertising budget or can generate double revenue.