1. ability to mark a question as answered and close for answering
2. ability to log in via Facebook or other social media accounts
3. sub categories and ability to assign/display question in multiple categories (for instance a question can be under cars & transportation and it can be under environment
4. reply to a specific user within the question and display answer under that user
5. wysiwyg html editor so people can actually ask/answer a question with a picture(s) or video(s)
6. tag function for the question.
7. trending and popular questions
8. RSS feed for the questions asked