Actually, there are technical answers on WikiAnswers. It is just that you'd have to dig for them. One issue is the bias against technical answers by younger users. To them, that is boring or just not cool, so those questions are the most likely to get vandalized.
Typing skills, for one, help to write answers, edit and organize questions here on WikiAnswers.
Currently, because of technical and due to copyright/legal problems that might occur. They do not allow images in Answers on WikiAnswers, although I believe I last heard they were thinking about it.
You can. There has been no changes to stop answers.
No, wikianswers is not inferior to yahoo answers.
Sorry but for right now you can't upload pictures or diagrams into the answers. You may put them on your Bio Page. The reason why not in answers is because of legal and technical issues.
WikiAnswers is owned by the Answers corporation.
Wikianswers.
Google Answers crashed and burned due to the lack of accurate answers and the fact that no one could edit the answers that were on Google Answers. WikiAnswers allows anybody to contribute, and doesn't simply search for answers - WikiAnswers MAKES answers. With the help of WikiAnswers' rival, Yahoo! Answers, both inadvertently teamed up and crushed Google Answers out of the answers competition.
Yes. For your information, the site that you are posting this question IS WikiAnswers. Sometimes, it is true that WikiAnswers' answers are not true. However, most of the answers are true. Sometimes, there are vandals who make turn true answers to false answers, but it is false to say that WikiAnswers is not true. To find out whether WikiAnswers' answers are true, sign up now to become a true WikiAnswers Contributor! Be true to yourself if you get addicted!
There is no way to guarantee that the answers on WikiAnswers are all 100% correct.
WikiAnswers is constantly being "modified" with new questions, answers, and changes to existing answers.
You can't answer answers on WikiAnswers, or anywhere for that matter, unless there is a question in the answer, where it would be classified as a question.