You want to create a watch page companion ad for an expandable YouTube video ad. What is the size of a watch page companion ad that YouTube requires for the expandable YouTube video ad?
A. 300×250
B. 640×360
C. 500×500
D. 950×500
You want to create a watch page companion ad for an expandable YouTube video ad. What is the size of a watch page companion ad that YouTube requires for the expandable YouTube video ad?
A. 300×250
B. 640×360
C. 500×500
D. 950×500