You may be a member of one of these IT cults or simply know someone who is. Here's what makes each cult tick. Topics ... The biggest cults in tech. feature. May 4, 2009 18 mins.

The "biggest cult story in the country," as it's so described in the trailer, is about a notorious UFO cult that tragically ended in mass suicide.

The next largest cult is Jehovah’s Witnesses for which no 1950 membership figures are available in the United States. However, in 1951 the world-wide figure stood at about 440,000.