Data from store visits is validated through a panel of … ddc-admin June 25, 2023 (July 13, 2023) Here is an answer to the question. Data from store visits is validated through a panel of volunteer Google Opinion Rewards participants. How many volunteer participants are there? 500,000. 5 million. 100,000. 1 million. This question is about “Grow Offline Sales” All updated questions and answers related to “Grow Offline Sales” can be found on the “Grow Offline Sales Exam Answers” web page. If you spot an update in the questions or answers, please leave a comment on this page to let us know. We will provide updates as soon as possible. Related