San Francisco, California, United States · Founded 2006
1001-5000 employees · TWTR
Sourced & current · updated Oct 12, 2026Website
Twitter, now operating as X, was a social media platform that reached over 611 million active monthly users, with a stated commitment to freedom of expression and the open internet, and active participation in policy debates at multiple levels.
Where they sit
Stack tier: Ecosystem Services (A)
Social Media ManagementPerformance Marketing
One of the largest global social media advertising platforms, uniquely positioned around real-time conversation and live event marketing
Ownership
Parent: X Corp
Subsidiaries