Iconic television show and eventual film franchise Star Trek is celebrating its 50th anniversary Thursday, and Facebook marked the occasion with a custom set of Reactions and a temporary profile picture frame.
Lindsey Shepard, the social network?s marketing lead for Messenger, said in a blog post that select users in the U.S. and Canada who have expressed interest in Star Trek or science fiction will see personalized greetings inviting them to add the custom Star Trek frame to their profile pictures.

Shepard also described the creation of the Star Trek Reactions:
In addition to the greeting and profile frames, we decided to add another element to the celebration with custom Star Trek Reactions. In order to make this understood by all Star Trek fans, we chose the most iconic and recognizable characters and symbols from the original Star Trek series, as well as the Next Generation. We also wanted to honor the original design and spirit of Reactions, so we needed visual cues that were easy to identify at a glance, like Geordi?s visor. This led us to our final cast: Kirk, Spock, Geordi and a Klingon. In our custom set of Reactions, ?like? stays true to form but with a little added sparkle, and ?love? is represented by the Vulcan salute. We also think it makes sense that Kirk, as the first captain, is first up after ?like? and ?love,? and that a Klingon should be the ?angry? Reaction, given that they are easily agitated.
These Reactions will be available to some Star Trek fa...