Reminder that you'll need to become a Certified Synapse user, or you will get this error when trying to submit your birthday guess: ``` Error in value[[3L]](cond) : 403 Client Error: Only certified users may create or update content in Synapse. ``` Click the "Become a Certified User" button [here](https://www.synapse.org/#!Synapse:syn25653150/wiki/610097) to take the quiz. You can click the "Need help answering this question?" link under each question to get helpful information.