"Cambridge Analytica determined what types of emotional and visual messages would sway their views and then spammed their social media fields with professionally produced, carefully crafted misinformation."
Very clever of them , especially the brainwashing content design bit - but how did they do the easy bit: "spam their social media fields" ?
So they've got the names of 50 million facebook users .... what did they do? a send to all? its not nhs.net!