I love the way that @mailchimp does marketing with stuff that's just fun. Believing that makes us makers interested in their product and their team. It works!
Update: I'm embarrassed by how much I absolutely LOVE this. I think I sat dragging my cursor around making whale sounds for a solid 5 minutes before returning to doing anything productive.
Really Good Emails
Product Hunt
My Octocat by Github
My Octocat by Github