HomeBusinessTikTok ban for U.S. government phones advances, threatening its ad revenue, experts sayFILE PHOTO: A TikTok logo is displayed on a smartphone Estimated read time 1 min read FILE PHOTO: A TikTok logo is displayed on a smartphone FILE PHOTO: A TikTok logo is displayed on a smartphone in this illustration taken January 6, 2020. REUTERS/Dado Ruvic