The last video url you put in the form field will overwrite whatever was there before. We might see an earlier video if you submit your application early, we l

The last video url you put in the form field will overwrite whatever was there before. We might see an earlier video if you submit your application early, we look at it, and then you update and submit again before the deadline. But (a) it would be very unlikely that all three of us would independently do that and (b) we'd probably also check the new one after applications closed and we started reading them in earnest.