After running an awareness Video campaign,you want to know whether the campaign shifted user perception or behavior toward your products.What measurement solution should you use to find out that information and when should you implement it?

The correct choice is: **You should use Brand Lift before the campaign delivers any impressions.** Brand Lift is a solution that measures the direct impact of ads on user perceptions and behaviors throughout the consumer journey,from brand awareness,adrecall,consideration,favor ability,purchase intent,andmore.For the most accurate control and exposed group comparison,the study should be setup before the campaign delivers any impressions.