According to a Reuters/Ipsos poll, 36 percent of 1,067 people who have joined Twitter say they do not use it, and 7 percent say they have shut their account. The online survey, conducted October 11 to 18, has a credibility interval, a measure of its accuracy, of plus or minus 3.4 percentage points.
In comparison, only 7 percent of 2,449 Facebook members report not using the online social network, and 5 percent say they have shut down their account. The results have a credibility interval of 2.3 percent.
People who have given up on Twitter cite a variety of reasons, from lack of friends on the service to difficulty understanding how to use it.
Source: The Huffington Post