I interviewed Slack, Buffer, Trello, and Duolingo about how they get customers to come back to their app day after day. Here are their strategies that you can use to get your hard-won customers to stay.

55 Things You Can Do to Boost Sales for Free, Today

100 Growth Hacks Learned from 5 Years as a SASS Startup

10 highly practical startup marketing tips that have helped to grow a SaaS product to 30,000+ paying customers

The Hacker's Guide to User Acquisition: The hacks I've learned in the past five years of acquiring users, broken down as a step-by-step tutorial (xpost r/startups)

A simple hack that has led to 100% monthly growth in developer signups for my startup

We made $2,5M with content marketing

Guide to getting your startup's first 4000 real Twitter followers in about 6 weeks.

101 Sales Email Templates You Can Use Today To Close More Deals and The Ultimate Growth Hacking Sourcebook - Marketer's Monday

[Case study] How to get your content featured on any big blog even if you're just starting, and nobody knows you? (not a blog post)

Pre-launch and post-launch SaaS growth strategies.

Traction Case Study: How I Reached 100k Potential Customers Last Month (Without Spending a Dime)

$90k Kickstarter from Growth Hacking Free Traffic

How I marketed a tech startup to 15k+ active users within 6 months!!

My Weirdest Growth Hack That Got Me 20% Bump In Revenue!