X (Twitter)

X, also known as Twitter, is a privately owned, US-headquartered company founded in 2006, with approximately 7,070 employees, and reported $2.5B in revenue as of 2024, functioning as a tier 1 media tech buyer. The company specializes in search, social, and retail media. As a social networking service, it enables users to share short text messages, images, and videos in posts (formerly "tweets"), and to like or repost/retweet other users' content. X also offers features such as direct messaging, video and audio calling, bookmarks, lists and communities, and Spaces, a social audio feature. Additionally, it provides the Community Notes feature, allowing approved users to vote on context.