SmarterEveryDay 3-part series on Social Media Manipulation

[littleman]

Video Format, but excellent.  He  interviews employees at Youtube, Twitter & Facebook who discuss steps they are taking to counter bots, hacked accounts  and other spam efforts.

Youtube:
https://www.youtube.com/watch?v=1PGm8LslEb4

Twitter:
https://www.youtube.com/watch?v=V-1RhQ1uuQ4

Facebook:
https://www.youtube.com/watch?v=FY_NtO7SIrY