br pNike’s decision to tap former San Francisco 49ers quarterback Colin Kaepernick to be one of the faces of its 30th anniversary campaign for the “Just Do It” slogan has polarized reaction on social media.ppThis video is one of severala that emerged after the announcement of the ad campaign and shows one Twitter user burning his Nike sneakers.ppKaepernick has not played in the NFL since the 2016 season after taking a knee during the national anthem to protest over the deaths of black Americans in officer-involved shootings.