Facebook Stickers are now spreading. They have been available in messaging for sometime now. But now they are available in Facebook comments.
There is no need to set anything up its already there. Just look out for the little smiley face when you next comment on a Facebook post. Clicking on this just like in messaging will bring up the stickers dialog window to choose what sticker you want to post. Go on give it a try!
Read the full article at here || Mashable.com