By Joe Tidy & Sophia Smith Galer BBC News

    Image source, Getty Images

    President Donald Trump has warned that he will ban TikTok unless an American firm buys its US operations. So how did an app attract millions of users but come to be seen as a national security risk in just two years?

    Alone it stands, a red gummy bear atop a dimly lit stage, and the unmistakable voice of Adele singing. Then, as the unseen crowd joins in with the next line, the camera pans out to reveal hundreds more gummy bears singing along to Someone Like You.

    It's silly and cute and extremely watchable. And for the fledgling video app TikTok, it did more in 15 seconds than marketing budgets of millions.

    Posted in December 2018, it quickly racked up millions of views on the app but - more importantly - was picked up by thousands of copycats on other social networks.

    The world was alerted to the app and TikTok has since attracted a vibrant, creative and young audience of hundreds of millions.

    Image source, TikTok/@davidkasprak

    Image caption,

    The Adele video sparked a trend on social media

    TikTok's origins are different to the fairytale start-up story we have heard before. This is not an empire built by a couple of friends with a great idea in their mum's garage.

    It actually started life as three different apps.

    The first was an app called, which launched in Shanghai in 2014 but had strong US business links and a healthy audience in that key market.

    In 2016, Chinese tech giant ByteDance launched a similar service in China called Douyin. It attracted 100 million users in China and Thailand in the space of a year.

    ByteDance decided it was onto something and wanted to expand under a different brand - TikTok. So, in 2018 it bought, folded it in, and began TikTok's global expansion.

    Media caption,

    WATCH: What's going on with TikTok?

    TikTok's secret lies in its use of music and an extraordinarily powerful algorithm, which learns what content users like to see far faster than many other apps.

    Users can choose from a huge database of songs, filters and movie clips to lipsync to.

    It's inspired some huge trends like Lil Nas X's Old Town Road or Curtis Roach's Bored in the House. Even the BBC News theme tune went viral as Brits made light of daily coronavirus briefings.

    Many people will spend most of the time on the For You Page. This is where the algorithm puts content in front of users, anticipating what they will enjoy based on content they have already engaged with.

    It's also where it shows content it thinks could go viral. The idea is that if the content is good it will travel, regardless of how many followers the creator has.

    Many TikTok communities have emerged, brought together by the types of content they enjoy or their sense of identity.

    Communities like "Alt" or "Deep" often feature creators who aren't necessarily looking to fill their wallets but who are simply on the platform to make funny or informative content. For them, it's not about winning the attention of big brands - it's about finding like-minded people.

    The growth of TikTok and its sister app Douyin have been rapid.

    In July last year the apps already had one billion downloads worldwide, of which 500 million were active users. A year later they were on two billion downloads and about 800 million active users.

    The app's rapid growth has also put TikTok at the forefront of the minds of politicians. What does it mean to have a Chinese app so quickly become a large part of modern life?

    Although the accusations are vague, India and the US have concerns that TikTok is collecting sensitive data from users that could be used by the Chinese government for spying. It has been alleged that every major Chinese enterprise has an internal "cell" answerable to the ruling Chinese Communist Party , with many of its agents tasked with gathering secrets.

    India initially banned TikTok in April 2019, after a court ordered its removal from app stores amid claims it was being used to spread pornography. That decision was overturned on appeal.

    When it banned TikTok again , along with dozens of other Chinese owned apps in June 2020, the Indian government said it had received complaints about apps "stealing and surreptitiously transmitting users' data".

    The US government opened a national security review of the platform in late 2019, after both a Democrat and a Republican lawmaker suggested it posed a risk .

    More recently, US Secretary of State Mike Pompeo claimed TikTok was among a number of Chinese apps "feeding data directly to the Chinese Communist Party" .

    The UK's Information Commissioner's Office and Australian intelligence agencies are currently probing the app but haven't revealed what they are looking for.

    It's of course worth noting that relations between these countries are tense, with the US at odds with China over trade, Indian and Chinese forces involved in border clashes, and the UK opposing new security laws in Hong Kong.

    Exactly what TikTok does with data is contested.

    We know from its privacy policy that it collects a huge amount, including:

    • Which videos are watched and commented on
    • Location data
    • Phone model and operating system
    • Keystroke rhythms when people type

    It was also revealed that it read the copy-and-paste clipboards of users , but so did dozens of other apps including Reddit, LinkedIn and the BBC News app, and nothing sinister was discovered.

    Most evidence points to TikTok's data collection being comparable to other data-hungry social networks such as Facebook.

    However, unlike its US-based rivals, TikTok says it is willing to offer an unprecendented level of transparency in order to ease some of the fears about its data collection and flow.

    TikTok's new chief executive Kevin Mayer, an American former Disney executive, said it would allow experts to examine the code behind its algorithms. This is hugely significant in an industry where data and code is closely guarded.

    However, the concerns aren't just about what data is collected, it's also more theoretical - could the Chinese government compel ByteDance to hand over data?

    The same concerns have been raised about Huawei.

    The 2017 National Security Law in China compels any organisation or citizen to "support, assist and co-operate with the state intelligence work".

    However, like Chinese telecoms giant Huawei, bosses at TikTok have repeatedly said that if this ever happened, "we would definitely say no to any request for data".

    Image source, Getty Images

    Image caption,

    ByteDance founder Zhang Yiming is China's 10th richest person, according to the Forbes Rich List

    Another concern is of the possibility of censorship, or of the app being used to influence public debates.

    TikTok is one of the first platforms many young people will come to to share social activism content.

    In May it promoted #BlackLivesMatter as a trend. But even as the hashtag drew in billions of views, there were criticisms that content from black creators was being supressed and that hashtags related to the protests were being hidden.

    It is not the first time TikTok's algorithm has been criticised for the way content is chosen.

    A report by The Intercept suggested that moderators had been encouraged to deprioritise content from anyone deemed too "ugly", or poor .

    Last year, the Guardian reported that TikTok censored material deemed to be politically sensitive , including footage of Tiananmen Square protests and Tibetan independence demands.

    Further reporting from the Washington Post suggested moderators in China had the final say on whether videos were approved.

    ByteDance said such guidelines had since been phased out and that all moderation was independent of Beijing.

    Media caption,

    Will TikTok be banned?

    Yet the discussions taking place with Microsoft about the possibility of buying TikTok's US operations show it is one of the most significant technology products in years.

    TikTok has emerged as a meeting place for under-25s, whereas apps like Twitter and Instagram are often seen as being for older users.

    But for those who use TikTok to have their voices heard, the possibility of a ban feels like a loss.

    Downloads of shortform video app competitors Byte and Triller have spiked in the US as users prepare themselves for jumping ship.

    But many, it seems, will hang on to TikTok until the very last moment - if that moment comes.

    More on this story

    What was TikTok originally made for?
    video-sharing social networking service TikTok was created by Chinese tech giant ByteDance and was first released in September 2016 under the name “Douyin”, which was marketed as a video-sharing social networking service similar to Facebook and Instagram (both of which are banned in China). more
    Is TikTok made by China?
    TikTok, known in China as Douyin (Chinese: 抖音; pinyin: Dǒuyīn), is a short-form video hosting service owned by Chinese company ByteDance. more
    What TikTok Coins?
    TikTok Coins are an in-app currency paid for with real money. You can buy gifts for your favorite creators and Diamonds with Coins to give to someone as appreciation for their work or to say thank you. We have seen this kind of thing before like tipping in Twitch. more
    Who made the first TikTok?
    ByteDance The app was launched in 2016 by the Chinese technology company ByteDance. Now available in more than 150 different markets, TikTok has offices in Beijing, Los Angeles, Moscow, Mumbai, Seoul, and Tokyo. The app saw about 1 billion global daily users by early 2022. more
    What was TikTok called before TikTok?
    acquired Inc. on November 10, 2017, and merged it into TikTok on August 2, 2018. At the same time, Inc. changed its name to TikTok Inc. more
    Who made Primagens?
    mə. dʒɛn/) are a robotic closed species created by Malice-risu on Fur Affinity. Primagens characters can only be obtained through auctions held on the Fur Affinity page. These auctions have been known to reach bids upwards of $1,200. more
    Who made Pte?
    PTE General were originally developed by the University of London Schools Examination Board in 1982. The Examination Board merged with Business & Technological Council (BTEC) in 1996 to become Edexcel, the largest examining body of academic and vocational in the UK. more
    What are natural and human made changes Why is melting of glacier a natural change and cooking of food a human made change?
    Answer: The melting of glaciers is natural to a certain extent, climate change causes any melting after that. And cooking is a human change because, well, it's the humans that are cooking! Explanation: Climate change is caused by the uncaring way big companies release harsh chemicals into the atmosphere. more
    Are Nature Made vitamins made in China?
    All Nature Made® products are manufactured to meet our high quality standards. Most are manufactured at our very own facilities in beautiful Southern California and with our partners in Alabama. more
    Who made iready?
    President, Rob Waldron, created the highly recognized blended program, i-Ready®. Made up of two main components—an adaptive diagnostic and instruction that includes both student online and teacher-led instruction and mobile apps, i-Ready provides an engaging and visually appealing approach to learning. more
    How I made money on TikTok?
    How to Make Money on TikTok in 2022
    1. Sell Products Through TikTok Shopping.
    2. Drive Sales with TikTok Ads.
    3. Participate in Affiliate Programs.
    4. Promote Songs.
    5. Join TikTok's Creator Fund.
    6. Publish Sponsored Posts.
    7. Become a Brand Ambassador.
    8. Start a Patreon.


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