You get a Facebook, and you get a Facebook. Everybody gets a Facebook! But you get a Twitter. (Insert Oprah meme here.)
"It is interesting that Bing is giving this prominent placement to Facebook, especially consideirng Bing and Twitter have a deal, and Bing could just as easily be placing tweets in that spot."
"Bing has also done deals with Facebook, most notably providing Facebook with translation features for posts in a language other than the one the user has set as their preferred language, however Facebook has alternately dropped them and reused them..."
"Bing has definitely been stepping up with social media in their search results. Last month they added a “Trending on Social Networks” section to search results that had a lot of Facebook and/or Twitter posts."?
Bing Showing Most Recent Facebook Post in Company Knowledge Graphs - The SEM Post