Keep Your Friends Close - A free e-book about maximizing Customer Lifetime Value
Content Marketing Stack - A curated directory of content marketing resources
Receiptful - Receipts that increase CLTV. Exclusive (early access to PH)
The Influencer Marketing Stack - Free resources to launch a killer campaign
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Marketing Examples - A gallery of real world marketing case studies. Updated every day.