Hey Lisa,I wrote an article on this (well not exactly this topic, but many of the points apply) for the community last year.Hope it helps https://nation.marketo.com/community/champ...
I don't think that looks right, you should get in touch with Will Harmon so he can check it out.Also send me an email which is dalfonso AT hitwise.com and i'll get you in touch vi...
Julia,You can use "data value changed" , attribute = unsubscribed , and then you will have date options. And then was sent email = time frame. Hope that helps! Darrell