Yes, it is the only way you can do it.
Yahoo! Answers is also a good site, other than WikiAnswers. But I recommend WikiAnswers over Yahoo! Answers. WikiAnswers is the best Q&A site and it has the best community. Yahoo! Answers isn't always correct, as well, and you cannot change the answers or spellings on there. On WikiAnswers, you can edit about everything to make the site better. Yahoo! Answers you can't, and it is a poor Q&A site.
Answers and WikiAnswers appear in all search engines. Just click the result. You do not need to be registered just to read.
Wikia Answers is run by a website called Wikia. Although it's confusing, WikiAnswers and Wikia Answers have nothing to do with each-other.
If you want to contribute to the best of your abilities, then yes, you should create an account on WikiAnswers. However, if your intent is to vandalize WikiAnswers, then do not create an account. But even if you don't create an account we can still ban you so just don't vandalize wikianswers. Also other users can't message you if you don't have an account and you get to customize your own bio page if you have an account.If you want to ask something or answer it would be good, yes. If you don't have a account no one can talk to you and you can't leave messages to anyone.
Some answers on WikiAnswers are miniscule compared to other answers.
Because you can change other people's answers, send messages to friends, and much more!
There is no upgrading on WikiAnswers. You can however join a team on WikiAnswers. You can become a Supervisor or other team member as well.
While WikiAnswers attempts to provide correct and useful answers, you should verify this information using other sources. The answers here may provide some clues to the subject or topic, at least. (see the Disclaimer at the WikiAnswers Help Center)
Some more Q&A sites, although not nearly as productive, attractive, growing, and fantastic as WikiAnswers, are Mahalo Answers and LinkedIn Answers.
No, WikiAnswers does not have a log in API like Google or Facebook, so you can not use your WikiAnswers account to log on to other websites. Websites owned by Answers.com may allow you to log on with a WikiAnswers account, but 3rd party websites will not. If you see a third party website asking for your WikiAnswers password, do not give it to them - they are most likely trying to scam you out of your account.
A user account can be closed by sending an email to wikianswers@wikianswers.com. There is no ownership of questions. They remain on the site for the information of other users.
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