John, the cookie DOES last more than just one session but works best on Marketo landing pages. There's some work to be done if you're hoping to pre-populate information on a page t...
Alec,Here's a good thread for this. How do we get our company logo to show in Gmail?Here's one more: How to get company logo/avatar to show up in inboxes?
Just a thought here: using a nested program rather than an email in your engagement stream vastly opens the possibilities here (cadence being one of them).