Dynamic remarketing lets an advertiser:

1. re–run an ad to increase the volume of people who will see it
2. show an ad to someone on his mobile device 24 hours after visiting the website on a desktop PC
3. show prior visitors to his site ads that are based on products or services they saw on the site
4. engage visitors to the website by opening a chat session

100% Correct Answer

• show prior visitors to his site ads that are based on products or services they saw on the site