http://www.dailykos.com/story/2014/12/04/1349334/-Obamacare-applications-hit-1-5-million-in-first-two-nbsp-weeks#
"The first deadline for signing up is December 15 for re-enrollees and new customers who want insurance beginning on January 1, 2015. New enrollments can continue until February 15, when open enrollment ends. People who have significant life changes—new jobs or job loss, marriage, divorce—that changes their health insurance status can sign up throughout the year."
