I think the article's message is same as "Do things that don't scale". Marketing is something used to get users in large volumes (certain groups) vs sales is mo

I think the article's message is same as "Do things that don't scale". Marketing is something used to get users in large volumes (certain groups) vs sales is more of a one-on-one approach. Once you have figured out what works in these one-on-one sessions, you take that message and scale it up as your marketing message.