X (Twitter)

Privately owned, US-headquartered X, also known as Twitter, founded in 2006, employs approximately 7,070 individuals, reported $2.5 billion in revenue as of 2024, and functions as a tier 1 media tech buyer. The company specializes in search, social, and retail media. X operates a social networking service where users can share short text messages, images, and videos in posts, and like or repost/retweet other users' content. Its features include direct messaging, video and audio calling, bookmarks, lists and communities, and Spaces, a social audio feature. Additionally, users can vote on context added by approved users using the Community Notes feature.