What are Responsive Search Ads good for?

They limit a marketer’s ability to compete in more auctions and match to more queries.
They manually select the best combination of headlines and assets based on their review of data.
They are a time-saver that allow for the creation of one ad with a number of headline and description assets.
They cater to different device sizes, allowing advertisers a wider reach in regards to potential customers.

The correct answer is:

They are a time-saver that allow for the creation of one ad with a number of headline and description assets.