An "Internet Sensation" refers to a person, video, meme, or trend that gains rapid popularity and widespread attention online. This phenomenon often spreads through social media platforms like Facebook, Twitter, and Instagram, where users share content with their networks, leading to viral moments. These sensations can arise from various sources, including humorous videos, unique talents, or unexpected events. Examples include viral challenges, catchy songs, or notable figures like Grumpy Cat and Alex from Target. The impact of an Internet sensation can lead to significant media coverage and even commercial opportunities.