International University of Japan held a marketing strategy class taught by Professor Adam Acar. The document summarizes 10 noteworthy social media campaigns in Russia and Uzbekistan. The campaigns encouraged user engagement on social media through contests and challenges to win prizes from brands like ASUS, LG, Ucell, Dove, Carlsberg, Maybeline, Ozon.ru, and Sapato.ru. The campaigns aimed to increase brand awareness, boost user engagement, and drive sales through social media promotions and contests.