Engadget – “Twitter is making one of its boldest experiments official. After months of testing, the company is bringing its reply-limiting feature, which allows users to control who can reply to their tweets, to all users. With the update, which is rolling out now to Twitter’s apps and website, users can choose who can reply to tweets before they send them. The options are everyone, people you follow, and people you mention. If you choose people you mention, but don’t mention anyone in the tweet, it effectively means no one can reply. The settings don’t affect the ability to retweet or quote tweet…”