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Twitter is testing a Facebook-like message wall on profile pages, prompting users to send public tweets (a.k.a @ replies, or mentions) to specific users directly from their profile pages.
Twitter is testing the feature with a small percentage of users. Spokeswoman Carolyn Penner said it was designed to "make it easier for users to engage with each other" on the microblogging service.
The feature addresses a problem among new users: namely, that many of Twitter's functions are not intuitive. New users must learn, either through guides or by observing other users, how to send replies and direct messages.