Social Pro Daily Asos Kicks Off 3-Week TikTok Campaign in the U.K., U.S. The #AySauce branded hashtag challenge will begin Aug. 31 Asos also commissioned and produced its own track with Karm and co-created a unique branded effect AR experience with Byte Asos By David Cohen August 24, 2020 Online fashion retailer Asos kicked off a three-week campaign for the U.K. and U.S. on TikTok Monday. David Cohen david.cohen@adweek.com David Cohen is editor of Adweek's Social Pro Daily.