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The popularity of Chinese video-sharing social networking service TikTok continues to grow among young people in the United States, especially teens and young adults.

The service lets users create and share short videos, many of 【小题1】 are within 15 seconds. The TikTok app offers a wide choice of sounds, brief parts of songs and special effects tools 【小题2】 (produce) a video. Videos often include popular songs from famous 【小题3】 (art) and TikTok has even helped begin the careers of new music stars.

TikTok 【小题4】 (consider) a competitor to video-sharing app Snap chat, as well as Facebook’s Instagram service, which also mainly interest young users with photos and videos centered 【小题5】 (large) on fashion, pop culture and humor.

Last year, TikTok was the 【小题6】 (two) most downloaded app from Apple and Google stores. 【小题7】 was said that people have downloaded the TikTok app 1.65 billion times.

While TikTok has continued to grow, some experts and parents have expressed concerns about videos 【小题8】 (appear) on TikTok that might be 【小题9】 (harm) to young users. 【小题10】 this reason, they urge parents to monitor what their children watch on TikTok and suggest that only those over 16 should have access to the service.