the.com/virality
When content multiplies faster than the brains that made it.
means The tendency of an idea, video, or post to spread rapidly from person to person across networks.
from Borrowed from epidemiology, where viruses hijack cells to copy themselves; the internet just swapped cells for shares and immune systems for algorithms.
R-naughtMarketers borrowed the same math epidemiologists use for outbreaks.
Half-lifeMost viral posts peak and die within hours.
Not randomHigh-arousal emotions like awe and anger spread fastest.