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.。 The 。

Star Trek。

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

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