1. How can i prevent link sharing and image sharing, in
2. How can i restrict users to register only with given email addresses like
Gmail.com, yahoo.com and outlook.com only??
3. How can i create realtime notification system like quora, for Registered users when their question is answered, voted, liked, commented??
4. How can i show realtime unanswered questions to users?
5. How can i put categories following same like quora spaces so that when someone do activity in that category then a notification and email goes to the follower of that categories??