What I am looking to do is the following:
When somebody clicks a link in a Mailchimp mailshot they are taken to the landing page, when they click the sign up/more info button I would like to pre-populate as much of the form details as I already have.
For example if I have
It pre populates those fields and then they only have to fill in details I dont have, such as
Any tips or links on how to do this please?