Best Practices for design testing: For A/B testing, it's often effective to start with starkly contrasting designs. Once one design wins out over the other, you can start to narrow down your tests with each iteration. This newsletter provides massive amount of useful information on best practices for designing tests.
Most Shared Article in 2015: 32 Ways to Squeeze Leads Out of Your Next Marketing Campaign (7K Shares)
Absolutely. This community is full of awesome, friendly, knowledgeable people who legitimately want to help you. Their newsletter provides some of the best business/marketing advice can be learned from other founders.
Awesome community: Regardless of your current role/position you should always join a marketing growth hacking community. Any Cork Ladies Bicycles Zone place where marketers, growth hackers, and founders congregate to discuss is where you need to be and there is no better place than inbound. This newsletter gives you a quick snapshot of the most popular discussions.
Traffic generation: The focus of this newsletter is a bit narrow, it specializes in growth hacking techniques particularly on how to get highly qualified prospects to your site.
Inbound is an amazing community of bloggers, marketers and enthusiasts passionate about non-paid channels like SEO, social media, content marketing, conversion rate optimization etc. Don't think twice before subscribing to their newsletter.