Content Marketing Stack - A curated directory of content marketing resources
Growth Hacker Marketing - Ryan Holiday's book, re-released and expanded
This Won't Scale by Drift - 40 free marketing playbooks to help you grow your business
Ryan Holiday - We Invest $500k in Sci-Fi Founders.
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email
TweetFavy - The Growth Hacking Tool for Twitter. Marketing automation software / Growth Hacking tool designed to grow your social media influence and attract real, targeted and engaged Twitter followers.