Which of these statements is true of Smart Shopping campaigns?

The correct answer is:

• Smart Shopping campaigns optimize toward a retailer’s business goals by providing manual control over performance optimization, driving simplicity, performance and reach
• Smart Shopping campaigns optimize toward a retailer’s business goals through the use of machine learning across Google’s suite of ad networks, driving performance, simplicity, and reach.
• Smart Shopping campaigns give you complete control over the campaign setup, ad, and bidding.
• Smart Shopping campaigns provide the options of adding manual input and advanced machine learning.