Many brands offer consumers email preference centers where they can control how often they receive emails and about what, but Twitter takes the cake. Mac Observer has created a step-by-step
guide to controlling Twitter's email notifications, which can sometimes get out of control, and in their guide, they point out that Twitter has 20 different settings for emails. Users can choose to
receive or not to receive emails when their tweets are retweeted, when they are mentioned in a tweet and when their tweets are marked as favorites, for example.
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