Twitter began testing Spaces, its live-audio conversation feature, in 2020.
The company started a limited beta in December 2020, initially giving access to a small group of users on mobile devices. Spaces allowed hosts and listeners to participate in live audio rooms, creating a format distinct from ordinary text posts and recorded media.
The feature emerged during a period when social-audio services were attracting major attention. Twitter expanded access during 2021 and added capabilities such as scheduling, ticketed events, and more speaker controls. Spaces later became part of the platform’s broader audio and creator strategy.
The year 2020 refers to testing, not full availability to every user. That distinction matters because much of the public attention and wider rollout occurred in 2021. The feature’s name is also sometimes confused with voice messages or direct-message audio calls, which are separate functions.