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Optional — you are already playing

Keep the record when the device changes

You are already playing, and everything you have recorded is real. Linking an email does one thing: it lets the same record open on your phone, your laptop, and anywhere else you sign in. There is no password to create.

We send a one-time link. Opening it is what commits the merge.

What the merge guarantees

Your existing calls come with you
Every prediction already recorded on this device stays attached to the upgraded record, so accuracy, points and streak carry across intact.
One prediction and one score per question
The merge runs in a single transaction. It cannot end with two predictions, or two scores, recorded against the same question.
Opening the link twice changes nothing
The upgrade is idempotent. If the email address already has a record, the earliest valid answer on it stays canonical and the conflict goes to the append-only audit log — no points move.

Today's three questions are open whether or not an email is on file. Come back here whenever you want the record to travel.