A sludge video is essentially a video of videos. Internet communities have cracked jokes and made memes about how sludge content is an extreme response to people’s growing need for more and more stimuli to completely fill their attention span.

There are some indicators that our brain’s ability to process such information has been adapting, slowly, for some time. For example, Moreno compares the evolution of online content with that of television shows. Early TV series were often simple, primarily focusing on one character who faced a small conundrum that would be resolved by the end of... See more