Category Archives: Foundation series

The foundation series articles provide an introduction to topics that are directly relevant to the other discussions at Tyner Blain. They provide background and context to people who want to read the other articles and appreciate the ideas in them. Topics generally cover business analysis, requirements, and product management.

Foundation Series: Inside A Scrum Sprint

People who already use Scrum will only find one new thing in this article – a way to communicate what happens inside a sprint that has proven effective for me.  People who are new to Scrum who wonder “how do things work inside a sprint?” will see how things work in a way that avoids hyperbole and is easy to map to what they already understand from traditional software development processes.

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Foundation Series: Cross-Selling and Upselling

You have an eCommerce site.  You sell products online.  Do you cross-sell additional products?  Do you upsell to better products?  This article explains the difference between cross-sell and upsell, and looks at some real-world data about the effectiveness of both.

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Foundation Series: Price Elasticity

When prices go up, demand goes down.  But how much does it go down?  Price elasticity of demand is the term economists use for the math that describes this behavior.

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Foundation Series: SaaS Economics (Software as a Service)


There are a bunch of new* ways of selling software these days.  SaaS (Software as a Service) has been in the consumer space for a while, and is making significant inroads into the enterprise software space today.    If you’re considering purchasing or using software, you should understand what SaaS means and how it is different from the software products of the past.*
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Foundation Series: The Difference Between Correlation and Causality


One of the most common mistakes people make when looking at data is to jump to conclusions about the data. We all live in a world of cause and effect. It is only natural that when we see data that appears to show cause and effect, we assume that it does. But it often doesn’t. This article shows the difference between cause and effect relationships and correlated data.

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Foundation Series: Intro To Utility Curves

Utility is an abstract concept usually relegated to economics. What is it? How does it work?

Foundation Series: Inbound and Outbound Product Management

Inbound product manager or outbound product manager – what’s the difference? We’ll look at the overall role, and the breakdown of responsibilities. We also follow-up with some suggested detailed reading.

Foundation Series: JAD Sessions

JAD is an acronym that stands for Joint Application Design. JAD sessions are collaborative meetings where the customers meet with developers to determine what the product needs to be or do.

Foundation Series: Data Dictionary Definition

What is a data dictionary and how is it used when communicating and managing requirements?

Foundation Series: How To Read a Formal Use Case

Use cases represent the activities that people do when interacting with a system to achieve their goals. Use cases are a very effective tool for communicating and documenting what a system is intended to accomplish. Formal use cases are use cases that use a specific structure to represent the information. Knowing how to read a formal use case is important.