Anons, I've had this site sitting in my back pocket for some time and was waiting to pull it out.
Crowdtangle: Online social media and news monitoring FOR news and social media sites
https://www.crowdtangle.com/resources
Note their main page does not load. (crowdtangle.com)
"We have a robust API that lets you directly tap into all the data we're collecting, including entire social account histories, competitive benchmarks and social referrals. Pump it right into your other internal analytics systems."
They pull in and collect our social media histories, link shares, and more. They can even see private FB groups.
Anyone can use their video search here: https://www.crowdtangle.com/videosearch
The service is available for FB, TW, Google, Instagram, Reddit, etc
https://www.crowdtangle.com/customers
Companies they work with:
Buzzfeed
Vox
Cox Media (local news stations)
NFL, WWE, MTV, etc
BBC
Univision
Pics attached of some pages.
It allows news orgs and others to go in and mark stories on social platforms as "Fake News."