Build a responsive chatting interface in nodejs

This project relies heavily on ajax/jquery (on the clientside) and nodejs+mysql on the server side. You should not use any third party js modules other than jquery and jqueryui. If its really needed then please consult me. Build a responsive chatting interface. When the user visits the websites homepage, a chatroom should automatically be created and its url should be displayed at the top ex. [login to view URL] The user may share this url with other people so they can join the chatroom. The chatroom (in addition to basic chatting capabilities) should display a list of all online users, their last activity time and their country of origin (use ip address to calculate this). The chatroom should automatically close after 12 hours, you should display a countdown at the bottom of the page. There should be a "Copy" button which will copy the chatroom url to clipboard. There should be a "Share" button which opens a jquery window where user can select options like: "Share on Facebook", "Share on Twitter" and "Share via EMail". The respective functionality to carry these functions out should also be provided by you. There should be an "Extend" button which opens a jquery window which allows the user to extend the expiry time of the chatroom by 1 day or 1 week. You should keep in mind that we will have a high number of consecutive users so please make sure you think carefully about the mysql structure and your code layout. NOTE: We will not select a bid higher than $200.