The 4 articles / emails will need to be written by someone who has a very thorough knowledge of PPC advertising and they will need to be of very high quality. I imagine that each article will be at least 1000 words.
I would aim to cover -
[url removed, login to view] detailed keyword research for targetting
keywords, deep versus narrow
2. Automating your PPC ad-building
[url removed, login to view] testing, tracking and improving your ads
[url removed, login to view]'t let that traffic get awry - build an
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