Twitter is set to revoke legacy blue checkmarks from next week as part of its push for subscription revenue. The move aims to prompt Twitter Blue and Verification for Business subscribers to pay for their blue ticks instead. The platform is notifying blue tick account holders with an in-stream notification. The plan could see some legacy verified accounts pay up and bring in more Twitter Blue subscribers. However, the amount reverting to Verification for Business, which costs $1,000 per month, is expected to be far less. Twitter aims to generate 50% of its revenue from subscriptions, which means it needs around 24 million users to sign up to the program. As of now, Twitter Blue has around 450k subscribers, which is only 0.12% of Twitter’s total user base. Nonetheless, selling blue checkmarks could dilute their value, as it charges users for exclusivity, which eventually undermines the concept.