The "Harlem Shake" is a viral internet meme and dance that gained popularity in early 2013. It typically features a short video clip where one person dances alone while others around them appear unaware. When the beat drops, the scene shifts to show everyone dancing wildly, often in costumes or humorous settings. The trend originated from a song titled "Harlem Shake" by Baauer, which was released in 2012. The meme became a cultural phenomenon, inspiring countless remakes and variations across social media platforms like YouTube and Facebook. Participants often filmed their own versions, leading to a surge of creativity and collaboration among users. The "Harlem Shake" showcases the power of internet culture in spreading trends rapidly.