Twitter is an online social networking site created in 2006 that allows users to send and read 140-character messages. It gained worldwide popularity rapidly by enabling real-time discussions about trending topics and direct communication between users and celebrities, though celebrities are also exposed to hates shared on the platform. The most retweeted tweet of all time was uploaded by Ellen Degeneres and received over 3 million retweets and 1 million favorites, demonstrating Twitter's ability to spread information virally. Twitter is now the 9th most visited website globally due to enabling real-time conversations at scale.