We started using Marketo Outlook Plug-in some time ago and now we have a very large number of emails published to Sales Insight. Marketo Outlook Plug-in is most definitely one great idea, however it's interface is very poorly designed. Because there are lots and lots of emails visible there, it is extremely hard to locate and load the right email. I don;t think it would be too much of an effort to add one simple search field where people can type in a search string and find the right email.
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