Yahoo Answers is a fun Q&A site that has grown quite popular over the past 3 years since it was introduced. Its also known to be the second most popular reference site online right behind Wikipedia.

Also because of its popularity there have been many clones and similar sites springing up. Many of these Q&A sites have some unique flavor to share so they're actually quite refreshing if you give them a try.

To become an participant on Yahoo Answers, all you need is a Yahoo Mail Account. Users are rewarded points and compete for "best answer".

Below are a list of Q&A sites that are similar to Yahoo Answers.

Askville - This is Amazon's version of Yahoo! Answers.

WikiAnswers - You can edit other people's answers like a wiki.

Answerbag - Different levels of questions ie. Social, Expert, Local and Shopping.

Fluther - You get personalized questions based on the type you've already answered.

Fun Advice - Fun question and answer community since 2003.

Yedda - Q&A site similar to Yahoo Answers.

Dizzay - You can post pics when answering questions if you like.

Rediff Q&A - Rediff is like the Indian version of Yahoo so shouldn't it have a Q&A too?

Girls Ask Guys - Exactly how it sounds

Simply Explained - You can either discuss or answer the questions on Simply Explained.

The Answer Bank - UK Based Q&A site.

LinkedIn Answers - This Q&A site is more focused on business related questions and answers.

Trulia Voices Q&A - Real Estate questions and answers.

Minti Questions - Parenting related questions and answers.