ChaCha (search engine)
ChaCha is a term introduced in the U.S. in January 2008 SMS response service, which is operated by the company ChaCha Search in Carmel, Indiana, United States.
The registered user can ask short questions, which are then processed and answered by SMS within a short time of " Guides " by SMS or by language. These " guides " are freelance and get processed per question financial compensation. The service is funded, including through advertising. Together with the response the user receives a link to a short advertising message. Based on the user profile and the evaluation of the issue the advertising message can be directed very precisely to specific target groups. Became internationally known especially the SMS campaign of Barack Obama, in which he has addressed potential voters targeted in the so-called " swing states". In the fourth quarter of 2008 to have been made on ChaCha 74 million requests. This would correspond to 70 % of the volume of the allegedly similar service from Google.