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TikTok

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TikTok is a famous social media platform for short videos.

TikTok logo
TikTok logo

People use it to share clips ranging from three seconds to 60 minutes long. The app uses a recommendation algorithm to connect creators with new audiences. An algorithm is a set of rules that picks content for you. This helps trends in food, fashion, and music grow very fast. By 2021, Cloudflare ranked TikTok as the most popular website in the world. It even surpassed Google in popularity that year.

TikTok Headquarters
TikTok Headquarters

The way the app works relies on its clever technology. The recommendation algorithm watches what you watch to suggest more videos. This helps creators and influencers find people who like their work. In 2019, the app even let creators sell items through video links. TikTok also partnered with the NFL to create special fan activities. In 2020, the app reported having nearly 800 million monthly users. By September 2021, that number grew to reach 1 billion users.

Availability of TikTok in the World (2025–present)
Availability of TikTok in the World (2025–present)

TikTok began with an app called Douyin. ByteDance launched Douyin on September 20, 2016, in China.

Douyin logo (white text)
Douyin logo (white text)

It was originally called A.me before the name change. ByteDance wanted to expand to the rest of the world. They launched TikTok for the international market in September 2017. On November 9, 2017, ByteDance bought a startup called Musical.ly for nearly $1 billion. TikTok and Musical.ly merged on August 2, 2018. This merger helped the app become a global success.

Many important facts show how huge the app became. In April 2020, TikTok had over two billion mobile downloads. In 2021, the company earned $4 billion from advertising. Some famous people like Will Smith and Justin Bieber joined the app. The company also deals with many different countries and laws. For example, India and Afghanistan have banned the app. Many other nations limit its use on government devices. This is often due to concerns about security and privacy.

Ownership of the app has changed recently in the United States.

Because of national security concerns, the U.S. passed a law regarding the app. This led to a major change in who owns the U.S. business. On January 22, 2026, a new group took over the U.S. operations. This group includes Oracle, Silver Lake, and MGX. Michael Dell also holds a stake in this new venture. The app stays the same for users, but the algorithm will change. It will eventually favor American topics for people in the U.S.

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🖼️ Images & Media (9)
File:TikTok logo (white text).svg
TikTok logo (white text).svg
File:TikTok logo.svg
TikTok logo.svg
File:Douyin logo (white text).svg
Douyin logo (white text).svg
File:Douyin logo.svg
Douyin logo.svg
File:TikTok Headquarters.jpg
TikTok Headquarters.jpg
File:Availability of TikTok in the World (2025–present).svg
Availability of TikTok in the World...
File:Booktok section, Barnes & Nobel, The Grove, Hollywood, Los Angeles, California, USA.jpg
Booktok section, Barnes & Nobel, The...
President Trump Signs an Executive Order...
File:Censorship of Tik Tok.svg
Censorship of Tik Tok.svg
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