Look at your retention curve

Look at how many users are monthly active after x # of days

You need a great product before you growth hack

Retention rates vary greatly across verticals

Retention is the most important thing for growth

Startups should not have growth teams, everyone is the growth team

Have a metric that is your North Star

Facebook sign ups don’t matter, monthly active users matter

Drive the magic moments that get people hooked on your product / service

Think about power user for building product think about marginal user for growth

Look at the users who are churning

1. North Star metric
2. Magic moment
3. Think about marginal user

Virality

• Payload, frequency, conversion rate
• Hotmail famous vitality example (sign up link in signature)
• Payload is low, frequency is high, high conversion
• K factor

Virality is important after retention is high