Twitter's much-talked-about Twitter Blue subscription service has become available for sign-ups again for iOS and web users. The checkmarks have returned with the traditional Twitter Blue tick, which has been joined by gold checkmarks, which will indicate that the account is an official business account through Twitter Blue for Business.


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The new Twitter Blue subscription plan costs for $8 for users signing up from the web and higher for iOS users at $11. According to the Elon Musk-owned company, subscribing to Twitter Blue is now available in the United States, Canada, Australia, New Zealand and the United Kingdom. The micro-blogging platform plans to roll out Blue to more countries soon.


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"Starting today, we’re re-enabling Twitter Blue sign-ups on iOS and web. Twitter Blue subscribers will get access to subscriber-only features such as Edit Tweet, 1080p video uploads and reader mode. Subscribers will also receive a blue checkmark after their accounts are reviewed to ensure they meet all of our requirements, including our rules against impersonation. Accounts found to be breaking our rules may be suspended without a refund," Patrick Traughber, Staff Product Manager at Twitter wrote in a blog post.


What are Twitter gold and grey checkmarks?


Twitter Blue subscription is also adding a big change to the platform, The micro-blogging company is replacing the “official” label added to accounts with a gold checkmark for some business accounts. The company will also add grey checkmarks for government accounts soon.


"In addition to these changes, starting today, we’re replacing the 'official' label with a gold checkmark on some business accounts on Twitter. Soon, we’ll also add a gray checkmark for government and multilateral accounts. Thank you to our Twitter Blue subscribers and our advertisers for your feedback and support!," Traughber explained.


How Twitter Blue plans to fight impersonations?


Twitter Blue witnessed the most shocking impersonations when it was initially rolled out, soon after being acquired by tech billionaire Elon Musk, which is why it was briefly stopped by the company. The Twitter Blue model allowed anyone to pay $8 for a verified blue check, which triggered trolls as many users paid the $8 Twitter Blue charge and promptly used their blue check to impersonate prominent entities on the platform.


"In addition to reviewing all accounts at sign-up, we’re taking a number of other steps to detect and prevent impersonation. Subscribers who change their profile information, including display name, profile photo, and username (@handle), will temporarily lose their blue checkmark until those changes are reviewed by Twitter. Accounts created within the last 90 days, inactive accounts, accounts without a verified phone number, and accounts with recent changes to their profile information will not be able to subscribe to Twitter Blue at this time, Traughber added.