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Facebook has a gift for 。 Star Trek。 fans.。

For the series' 50th anniversary, Facebook users who've liked 。 Star Trek。will see reactions themed around the show when they hover over the Like button. 。

Facebook's Star Trek-themed reactions.Credit: screenshot/facebook。

The Vulcan salute, Kirk, Klingon, Spock and Geordi will all be reaction options in addition to the usual like. The options replace the other emotional reactions — love, sad, etc. — Facebook added to its Like button a while back. The Verge first spotted the special reactions.。

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Thanks for signing up! 。Star Trek。

fans can also add a custom frame to their profile pictures. They're prompted to do so by a greeting including the USS Enterprise.。

Facebook's greeting for Star Trek fans.Credit: screenshot/Facebook。 "When we caught wind that 。Star Trek 。 would be celebrating 50 years this month, it got our wheels turning. We wanted to mark this fun, nostalgic moment and help the passionate community of。Star Trek
 。 Star Trek 。 fans celebrate in some unique ways on Facebook," Facebook Messenger marketing lead Lindsey Shepard wrote in a。

Medium 。 post.
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Star Trek。

reactions debuted on Sept. 8 to mark the series' anniversary and will be available for a limited time. 。

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