Sociology of Trends, Vol. 3.0- the definitive textbook on trend research
Become a guide through the maze of trends
– find your way among sacred cows, golden calves, and mayflies!
Trends are fleeting and ever-changing, and they often seem very opaque and unmanageable—mostly because they are usually currents that cannot be quantified or documented. But there is a method to the madness. Knowledge of trends can ensure that you launch the right product at the right time with the right messaging, in the right packaging, and through the right sales channel.

What is the purpose of the book?
The aim is to demystify the concept of trend sociology and to provide a concrete and thorough introduction to the concept of trends itself, dispelling some of the ambiguity and debunking the myths. The reader should be able to grasp the big picture of societal change while also zooming in on specific types of trends and their content, significance, and impact across various industries. In addition, the book aims to provide the reader with a series of concrete guidelines for processes, methods, and tools.
The two experienced authors take the reader behind the scenes of the trend forecaster’s facade and demystify something that is usually associated with fortune-telling, tea leaves, and crystal balls
Who wrote the book?
Cathrine Gro Frederiksen is a strategist who advises companies on setting a long-term direction for their brand and creating a meaningful future.
Since 2010, she has worked at the intersection of trend research, foresight, strategy, branding, and design, advising both national and international companies on how to incorporate trends into their brand strategy and development efforts.
Cathrine Gro Frederiksen graduated in 2010 with a degree in Business Design from the internationally renowned entrepreneurship and design school Kaospiloterne in Aarhus. She has lived in Berlin, Shanghai, Toronto, Tokyo, and Copenhagen, giving her an international perspective and an understanding of how trends spread across continents and cultures.


Who wrote the book?
An understanding of the spirit of the times, trends, and consumer behavior is at the heart of the pej group’s work—which is why it is only natural that the company’s owner, trend researcher, and speaker Louise Byg Kongsholm has written the book.
She has been part of pej gruppen 2007 and has owned the company since 2011. She is the editor-in-chief of four Media, including Retail Mag, and has written no fewer than eight books—including works on trend research and life-stage segmentation.
She is the public face of the organization, is frequently quoted in the press, and gives numerous talks on stages across Scandinavia—both in person and online. With her many years of experience and strong analytical and communication skills, she has also added board positions and teaching roles to her resume.
Who are the participants in the 17 interviews?
There are so many strong personalities with valuable experiences that it would be a shame not to collect them. That is why we have invited a number of external writers to contribute articles on everything from how to create good customer service, to what the world's best physical stores look like, to how to create seamless integration between online and offline.
Among the many contributors are:
- Alf Rehn
- Anne-Marie Dahl
- Anne Skare Nielsen
- Cathrine Gro Frederiksen
- David Mattin
- David Shah
- Elina Hiltunen
- Eva Steensig
- Henrik Vejlgaard
- James Bidwell
- Joanna Feeley
- Kirsten Van Dam
- Louise Byg Kongsholm
- Mads Arlien-Søborg
- Magnus Lindkvist
- Sara Ingemann Holm-Nielsen
- Stefan Nilsson
How and where do you identify and work with trends?

I devour books. Mostly non-fiction, but also fiction that reflects the times. I browse the web for inspiration, both on mainstream Media social Media get a sense of what people are talking about right now. I always bring my curiosity with me to the supermarket, out on the streets, while traveling, and when meeting other people.
At the same time, my clients are a goldmine of inspiration. What do they ask about? What sparks their interest? Together, we develop new ideas and solutions that then become part of my mindset. I often go home and research a topic if someone has pointed out a new angle or challenged my perspective. It’s a mosaic of theory and practice and an open, curious vibrancy that I always carry with me and can hardly let go of even in my sleep.
— Anne-Marie Dahl, Futurist
Why is it important to keep up with trends?

It is important to work on understanding the behaviors and needs that will emerge in the future in order to ensure the survival of a business or, for example, a public organization. After more than 20 years of working on this, I am still surprised by leaders’ lack of interest in understanding where things are headed. I honestly can’t understand how they can sleep at night. Isn’t that a leader’s primary responsibility?
— Eva Steensig, sociologist specializing in trends
What is a trend?

When I first began exploring the trend process, the word “trend” was used and understood only within the fields of statistics and design—albeit, of course, in two very different ways. But fundamentally, both disciplines used—and still use—the word to refer to the same thing: a process of social change, that is, an innovative process in which something—such as style—is transformed by people. So trends are about human behavior. Regardless of how one might otherwise work with trends, and whatever one might call oneself, trends are about people drawing inspiration from one another, and creative companies drawing inspiration from trendsetters, because the latter set the agenda for future consumption.
— Henrik Vejlgaard, sociologist specializing in trends
How do you define the concept of a trend?

A trend is the combination of various innovation data points, which allows us to conclude that a critical mass of change is underway. Springwise is a collection and compilation of those data points. Our Springwise access database categorizes the data by industry, geography, and timeline. This means we can track change—and thus trends—in a variety of ways, leading to both insights and validation of ideas for our clients.
— James Bidwell, Trend Spotter
How and where do you identify and work with trends?

My sources of information are quite diverse. I travel a lot, which is an excellent way to gain new insights. Books and articles are also important sources for staying up to date—especially when working with macro trends. The internet is, of course, an important source, but it takes a very long time to find reliable sources online—and those that provide relevant content. The sheer volume of information on the internet is both the medium’s strength and its weakness. Ninety-nine percent of all information is irrelevant. As an experienced trend researcher, over the years you build up a network of people with whom you share experiences. This network is also an important source.
— Mads Arlien-Søborg, trend researcher
Trendsociologi v. 3.0
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Want to learn how to spot trends yourself? Read about the "Trends in Practice" certificate program
Who is behind the publication?
"Trendsociologi v. 3.0" is published by the Scandinavian trend institute pej gruppen, which has previously published three books on trend research and is behind the "Trends in Practice" training program.
pej gruppen a range of conferences on current trends in fashion, interior design, food, and retail/e-commerce. It provides instruction in vocational training programs, design programs, and mini-MBAs in trend research, as well as delivering a series of lectures on the subject at companies.
Facts About Sociology of Trends, Version 3.0
- An Introduction to Trend Research
- Published in August 2022
- Contains nearly 400 pages
- Theory and practical tools
- 17 interviews
- You can book coaching sessions, classes, and lectures here →















