Secondly, if the campaign was focused on advertisement, you would look at the number of views on the video, website searches, etc, to see the changes to the brand and sales. However, if it is a social media campaign using influencers on our socials or influencers, analytics are crucial, looking at profile views, if people become more interested in the brand, how long each person has watched it (did they watch the whole video or skip to the next) etc.. (how many shares, follows is hugely important to see a campaigns success