Email Marketing: This is another form of affiliate marketing where you use your list of blog subscribers to promote a certain product. (greatpassiveincomeideas.com)
I've been writing an email series to my own blog subscribers about e-book marketing, and one of the secrets of success is more, shorter e-books rather than one big fat one. (annerallen.com)
Don't focus on building blog subscribers — focus on gaining email subscribers. (theabundantartist.com)