Questions and Answers are websites that offer asking questions and getting answers from real people.
The Internet is a source of information and knowledge available in video, audio, pictorial and written editions, but only real people can give satisfactory answers.
Question and answer pages create communities that provide answers to all questions, which are based on wiki resources or specialize in a particular area.
Some of the world's most famous question and answer sites are: Justanswer, fixya, Quora, Answers.com, StackOverflow, WikiHow, eHow, ChaCha.com, Ask.fm, Yahoo.Answers.com, Google.Scholar.com, AnswerBag. com