Twitter tests letting some users make convos exclusive

Twitter is testing a new feature that could fundamentally change the nature of the platform.

On Wednesday, Twitter announced that it would test new controls that would allow a user to select, tweet by tweet, who could respond to their post. 

With a new permissions button that appears in the bottom left corner of a tweet, users will be able to choose whether they want any Joe Schmo to be able to reply (currently the norm, and the default going forward), whether "people you follow" can reply, or whether "only people you mention" can weigh in.

A "small" percentage of users have received the test, and Twitter didn't say whether it will be rolling out more widely in the future. Read more...