DialIdol is both the name of a computer program for Microsoft Windows and its associated website that began tracking contestants during Season 4 and sprang to prominence at the start of Season 5. The program allows users to automatically vote for the American Idol contestants of their choice using their PC's phone modem. The program then reports back to the main website, which keeps track of the results based on the percentage of calls for each contestant that result in a busy signal. Based on the data received, the website then predicts which contestants may be eliminated or may be in danger of being eliminated. As of May 25, 2006, its predictions for Season 5 were 87% accurate.
This was the first season in which the free U.S. public service website, Zabasearch.com, started to openly present voting results (starting with the top 12 and onward) that it claims are from Cingular and American Idol. It has experienced controversy over the fact that its results change throughout the day until (and often through) the results show.
Read more about this topic: American Idol (season 5)