Participating in Yahoo! Answers is a great way to showcase your expertise, get new skills and knowledge, build new relations within your niche community, acquire new prospects and clients and get target traffic.
Become a member of Yahoo! Answers, upload an avatar and fill in your profile with general and accurate information. Pick the category most relevant to your business or site.
Perform searches in Yahoo! for your main keywords and answer the questions supplied by Yahoo! Answers in the normal Yahoo! Search results. This will get the most web search eyes and possibly clicks on your links.
Use the Yahoo! Answers social network to make friends with every person asking or answering questions within that category. Answer the questions that you can and link to your site as a reference when best suited. Do not forget to link to other sites as references so your answers are not mistaken as spamming.
Remember that Yahoo! Answers information will be indexed by Yahoo! It is integrated into Yahoo! Local, Yahoo! Search, Yahoo! Brand Channels and other Yahoo! content channels, so your audience will grow significantly.