@misc{rfc9078,
    series =    {Request for Comments},
    number =    9078,
    howpublished =  {RFC 9078},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC9078},
    url =       {https://www.rfc-editor.org/info/rfc9078},
    author =    {Dave Crocker and Ricardo Signes and Ned Freed},
    title =     {{Reaction: Indicating Summary Reaction to a Message}},
    pagetotal = 9,
    year =      2021,
    month =     aug,
    abstract =  {The popularity of social media has led to user comfort with easily signaling basic reactions to an author's posting, such as with a 'thumbs up' or 'smiley' graphic. This specification permits a similar facility for Internet Mail.},
}