Twitter basically just added live text chat to Spaces
(iMore iPhone)

What you need to know Twitter is testing a change that it hopes will allow people to more easily discuss Spaces. A new Space card will be automatically shared when a Space is created. People can reply to that new card and have discussions from within the Spaces interface. The test is only available to a limited number of people right now. Twitter has announced a new test that it hopes will make it easier for people to talk about what they`re listening to without ever needing to turn their mic on. The new feature will be text-based and give people the chance to tweet about the Space right from within its interface. The way Twitter explains things, those on the test will automatically generate a Spaces card whenever they start a new Space. People can then reply to that as if it was any other tweet, with others able to read and respond at will. The original card and subsequent tweets will all be available right from within the Spaces interface as well. we`re testing a feature y...