Up until now, Quizify has acted more like a demo than a really useful website. That changes today, as you can log in (using Facebook for now), and save your quizzes. When you log in, you’ll see all the quizzes you’ve created, quizzes created by others that you’ve used, and popular quizzes overall. Each quiz has a fairly simple URL that you can share with others.
Note that all quizzes are completely public. Right now quizzes don’t list their creator, but that’s coming soon.
There’s not too much more to say… hopefully everything works as intended; be sure to send in bug reports and feedback.
Enjoy 
at Quizify.com
Update: I forgot to mention that as long as you’re logged in and running saved quizzes, Quizify keeps some track of your progress. If your quiz is made up of multiple question sets, the quiz starts off as set 1, and advances to showing sets 1+2 when you’ve done well on the first set. This progress is now saved so that you don’t have to start a quiz from zero if you are running the same quiz again.