Starting on Friday, X will no longer allow hashtags in advertisements on the platform.

Elon Musk announced the change on his account, calling hashtags an "esthetic nightmare."

This is just the latest move in Musk's rebranding of X since he acquired the platform in 2022. It's unclear how much this will actually affect advertisers on the platform. For many, hashtags likely helped in increasing engagement and attracting more viewers. Some users, however, say that hashtags provide little benefit to advertisers.

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Musk has voiced alarmingly strong views on hashtags in the past. Back in December, the billionaire and ex-White House "special employee" called hashtags "ugly" and asked people to stop using them.

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But while X won't allow hashtags for ads anymore, regular posts can still use them. For now.

Topics X/Twitter Elon Musk