In Part 2 of this series, we explored the range of responsibilities a Product Manager can take on. Now, we’ll examine how those activities will change, based on where the product (or company), is in its lifecycle, based on the three main stages: pre-product-market-fit (pre-PMF), post-product-market-fit (PMF), or the “mature” phase. The major driver of your context […]


In the last part of this series we looked at the range of responsibilities Product Managers can cover. Next, in the 3^3 model, we’ll examine how those responsibilities are adjusted, based on the type of customer you are serving. Customers fall into three major types In 2012, I attended the Lean Startup Conference, and loved […]


While I’ve previously posted about the requisite “soft-skills” of great Product Managers, in this Part of the series, we’ll explore the functional skill-set required on any given day. These competencies fall into three major categories, which I refer to the “3Ds”, consisting of Direction, Design, and Details. I believe that the Product Manager is ultimately responsible […]


When asked questions like “what does a product manager do” or ” is person X a good product manager”, too many times I answer with the unsatisfying “it depends” response. So here I try to better define the role of product management, by providing a framework, which we’ll explore in this 5-part series. My parents (and likely my colleagues too) have no idea what […]

Image by © Pasieka/Science Photo Library/Corbis

There are some great frameworks to evaluate the diffusion of new innovations, but these tend to be qualitative and can therefore be difficult to evaluate multiple nuanced implementations against one another. Here is a “back of the envelope” quantitative approach to assessing whether a new solution might displace an incumbent one, when competing on “convenience”. Competing on […]


While the web measurement & analytics space is quite mature, the mobile landscape is still emerging and open. Here are ten of the research & analytical tools that I’ve found most helpful for understanding mobile app usage. Would love to hear your thoughts.  Category & Competitive Benchmarking Similar to Quantcast, Alexa, Compete, and Google Trends […]


One critical element on the journey to finding product / market fit, is to get people to use your app — not just to simply sign-up, but to actually perform the key behaviors that drive value in the product. Here I’ll describe a framework to help you brainstorm, organize, and prioritize such initiatives. Understanding activation […]