Deep insights about life in 140 chars or less. Stems from the microblogging service Twitter that allows posts of up to 140 characters. Coined in a tweet on May 7, 2007.
Subjective idealism twitterism: "If a tree falls in the forest and noone is there to Twitter about it, did it really happen at all?"
Sacred Emily's twitterism: "A twitterism is a twitterism is a twitterism"
Descartes' twitterism: "I twitter, therefore I am"
Microblogging is a form of blogging that allows users to write brief text updates (usually less than 200 characters) and publish them. Among the early popular microblogging services are Twitter and Jaiku.
People have been microblogging since the late 1990s. Back then of course, not even the word 'blog' had been coined yet, but that shouldn't stop a real geek.