Sources: Twitter plans to unveil a new policy that only Blue subscribers will be able to use SMS-based two-factor authentication (Zoë Schiffer/@zoeschiffer)

Zoë Schiffer / @zoeschiffer:
Sources: Twitter plans to unveil a new policy that only Blue subscribers will be able to use SMS-based two-factor authentication  —  NEW: Twitter is planning to unveil a new policy as soon as this afte…

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