A History Of Applause - The First "Like" Button?
"Applause, participatory and observational at the same time, was an early form of mass media, connecting people to each other and to their leaders, instantly and visually and, of course, audibly. It was public sentiment analysis, revealing the affinities and desires of networked people. It was the qualified self giving way to the quantified crowd." The Atlantic 04/01/13