NOTE: Beofre submitting for the job tell me how EXACTLY you are going to develop the following below or your application will be ignored. I would prefer if you showed me your pervious social login code work as well.
1. Create a login page/Landing page (Responsive) from using
Code from AddThis (http://www.addthis.com/labs/social
With Retina graphics http://retinajs.com
2. A drop down signup button
3. If reader is viewing an article and not logged. Any button the reader clicks on will redirect them to the home page in order to sign in / sign up.