TikTok also has a tool which recommends video clips for users to watch, called the "For You" feed, which experts say is better designed than those used by Facebook or Youtube.
"TikTok has a more complex model in terms of showing content to its users," says Dr Maryam Mehrnezhad from the Department of Information Security at Royal Holloway, University of London. "This makes the spread of misinformation easier and its identification and detection more difficult."
TikTok users shrug at China fears: 'It's hard to care'