X (Twitter)

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