Yes,
Please see my other threads and this slideshare. There are tons of options, so you need to decide on:
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channels you'll use - events, roadshows, webinars, emails
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types of comms - blog, invitations, promos, etc
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what should be displayed
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how to manage the lists so you know who opted in/out
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how to comply with various laws
http://www.slideshare.net/jdavidhill/marketo-email-reputation-management
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