Facebook may stubbornly refuse to do us a favor and add the coveted 'dislike' button to its social network, however the first step was taken by adding 'dislike' as a sticker to Facebook Messenger.
The new option is available in both the desktop version and in the mobile applications of Facebook Mesenger and you can find it (along with other gestures) by downloading the 'Likes' package from the Sticker Store within the application.
This way you can finally express not only your approval but also your disapproval in the chat with the push of a button…