We’ve heard of fat blogging and fat twittering, which is when people blog or tweet their weight loss progress in hopes of boring everyone else to death gaining positive peer pressure. It look like though all most all of Twitter is phatic twittering.

Phatic – Wikipedia, the free encyclopedia

Phatic

In linguistics, a phatic expression is one whose only function is to perform a social task, as opposed to conveying information. The term was coined by anthropologist Bronisław Malinowski in the early 1900s.