How to attract and retain interest in a future event? (part two)

So you've got people to hand over their email addresses. The event is six weeks away. You need to stay in touch with them, to remind them that they signed up with you, they expressed an interest in your event and that they really should not make other plans on that day.

All without pissing them off.

Now for a thought experiment.

You're handing out flyer…