Twitter definitely could, and they can easily get a clear idea of how many of these 'zero tweet' accounts actually are active. However, Twitter have no reason to give this information out and there are not many ways for outsiders to discover this information.
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Twitter definitely could, and they can easily get a clear idea of how many of these 'zero tweet' accounts actually are active. However, Twitter have no reason to give this information out and there are not many ways for outsiders to discover this information.
There would be many business reasons to not release such information.