Simple website with Social media registration and invites

This project is to build a very simple site but one which is equipped to grow virally through social media. 1) The first page of the site will have a video and below that a sign up form. The site should detect if they are logged into facebook and if they are automatically display their Display Pic and name with a one click registration to the site their details should be registered on the site. If they are not logged into facebook it should give them the option to either login from Facebook, Google+, Twitter or a simple form. Information that needs to be obtained from the social networks and saved in the database are (Name, Profile Picture, email address, birthday and location.) 2) After this information is gathered it should ask them one more question. example: what company are you with:(5 different choices). It should add this information to their data and then display a graph showing how many people have selected each choice. 3) After this it should tell the user we need help spreading the work and ask them to share the page on FB, twitter, and google+ The site should have the needed plugins to make sharing easy. If they are logged in via facebook it should bring up a list of their friends who are in Canada and ask them to share it with them by posting it on their wall. This is a simple site, but importance needs to be given to usability. It must be a modern fast interface that will work well on mobile as well as desktops. The site needs to be completely tested by the developer and his/her team. I will not be available for alpha testing only final testing.