How do Google App campaigns help reduce the manual test-and-iterate efforts of advertisers?

1. The system automatically tests different ads to determine what works best.
2. The system can immediately identify the best ad assets submitted by a marketer.
3. The system automatically creates ads, with zero human input required.
4. The system suggests proven data based on similar businesses from the same industry.

Correct Answer:

• The system automatically tests different ads to determine what works best.