The Trick to Viral Growth
I recently helped a friend prioritize their measurement framework for a series of growth experiments. Here's a lightly edited version of my advice.
When looking to focus on user growth, it's generally helpful to look at 3 key metrics.
The time it takes for a user share for the first time dictates how quickly you start growing. Most explosive growth applications have invite friends features early in the signup/usage flow.
Length of sharing period will tell you how sustained your user growth will be. If you have an actively engaged user who will continue inviting users for a long time, you'll be less reliant on having to goose growth through new user acquisition methods. This number will be directly tied to your engagement metrics.
The K Factor is a simple calculation of how many users each new user brings in over a period of time. If you get this number over 1, you have an application that will continue to grow virally until it runs into saturation.
If you're working on a new project, you'll generally want to analyze these on fairly short timelines (what happens day to day or week to week). You'll also probably focus first on time to first share is because that's the fastest way to get feedback/data on whether your product and acquisition flows work.
Usually that's the best place to start; you can move on to longer timeframes and the other two factors after that.
It's a development that could one day lead to much better treatments for osteoporosis, joint damage, and bone fractures.
- Scientists have isolated skeletal stem cells in adult and fetal bones for the first time.
- These cells could one day help treat damaged bone and cartilage.
- The team was able to grow skeletal stem cells from cells found within liposuctioned fat.
Gut bacteria play an important role in how you feel and think and how well your body fights off disease. New research shows that exercise can give your gut bacteria a boost.
- Two studies from the University of Illinois show that gut bacteria can be changed by exercise alone.
- Our understanding of how gut bacteria impacts our overall health is an emerging field, and this research sheds light on the many different ways exercise affects your body.
- Exercising to improve your gut bacteria will prevent diseases and encourage brain health.
A groundbreaking new study shows that octopuses seemed to exhibit uncharacteristically social behavior when given MDMA, the psychedelic drug commonly known as ecstasy.
- Octopuses, like humans, have genes that seem to code for serotonin transporters.
- Scientists gave MDMA to octopuses to see whether those genes translated into a binding site for serotonin, which regulates emotions and behavior in humans
- Octopuses, which are typically asocial creatures, seem to get friendlier while on MDMA, suggesting humans have more in common with the strange invertebrates than previously thought
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