I want to create a signup form where all new contacts to go one list. As part of that form, I want to create a list of tags that I have pre-defined (interests) that the user can self select. (I'm interested in options 1, 4, 7, and 8). That way I can then segement my emails by the interests they have self selected. So I can send to anyone who lives in xyz zip code and has an interest in ABC. How can I do that? I was trying to avoid having 300 lists, but rather have one list that I can then segment by zip code and interest.
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