This is the 4133rd most frequent Japanese word.
ユーチューブ
"ユーチューブ" means "YouTube," a video-sharing platform.
In this sentence, 'ユーチューブ' refers to the platform YouTube, used as the medium where videos are watched.
私は毎晩ユーチューブで動画を観ています。
I watch videos on YouTube every evening.
Here, 'ユーチューブ' represents the platform where the channel is created.
ユーチューブに自分のチャンネルを作りました。
I created my own channel on YouTube.
In this case, 'ユーチューブ' is used to discuss the popularity of the YouTube platform.