I need to re-build my website: [url removed, login to view] (please log in to see features of my existing website), may use Wordpress. Some requirements:
1. Responsive UI
2. Blog (article) posting
3. Question and Answers
4. Login with Facebook and Google
5. Online support plugin
6. Post with Facebook accounts under every page/article
7. Get discount by Facebook sharing, group buying, etc.
8. Transfer all the existing data into the new one (optimized for SE).