Boosting the Lean Startup cycle with Google Design Sprints

Stefano Serafinelli
Prototypr
Published in
4 min readOct 18, 2016

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During the last few years I’ve been mentoring several startups as part of Google initiatives such as Google Launchpad and I had the chance to introduce them to the Google Design Sprint methodology.

Design Sprint is a 5 day-process based on design thinking techniques and aimed to solve design challenges. It was created by Google Ventures to help their portfolio of startups creating successful products.
You can find more about Design Sprints in the Google Ventures website.

Why should startups run Design Sprints?

Startups sometimes ask me why they should start running Design Sprints and which benefits will they bring to them.
They already work in an agile environment, they adopted a very lean mindset and their development cycles are relatively short.

I always tell them that Design Sprints are not meant as a substitute to their current way of working.

Design Sprints are a fast and efficient way to reduce uncertainty and to boost development cycles in a Lean Startup environment.

The common process

In a Lean startup cycle we start with an idea, we built it and then we launch it to the market. Only on that moment, when our product is finally in contact with our customers, we can measure its performance and know whether our idea is good or bad.

Design Sprints are a fast and efficient way to reduce uncertainty and to boost development cycles in a Lean Startup environment.

Regardless of whether it was successful or not, our team takes home something: knowledge. A knowledge that they will be able to use in the next iteration of the development cycle.

Let’s now have a look at it in a bit more detail.

The Lean Startup Cycle

Our idea is the result of an intuition. Most startups CEOs know what it means. “I have an idea! I will start a startup!”.
Or maybe they already have a startup and a product too and they want to add some new feature.

Our idea is the result of an intuition

Why do we decide to build our idea? Because we formulate an hypothesis, which is that your idea is valid, our customers will love our product and we will earn a lot of money with it.

When we start building our idea we don’t know if it is valid yet.

That is, just an hypothesis.
It does not matter if it is backed up by market research, examples of similar technologies or products that already work or even by what we already learned from a previous iteration.

Until we launch our product, we cannot know if our hypothesis is true.

That means that between our idea and its launch, inevitably, a period of uncertainty begins.

Development = uncertainty

Until we launch our product, we cannot know if our hypothesis is true.

A period that, however short, will appear quite long to our team, since we are spending time and energy in our idea without knowing whether it will make sense to our customer.

“Is there any meaning to what we are doing?”
“What happens if market response is not what we expect?”

We cannot provide an answer to all these questions until we are able to measure the reaction of the market to our idea.

So, how do Design Sprints fit into this cycle?

Design Sprint is a shortcut that allows us to go from the idea to learning without actually building anything.

Thanks to fast prototyping and immediate user validation, Design Sprints allow any startup to learn fast without spending resources.
Do they remove uncertainty?
No, they don’t, but Design Sprints drastically shorten the time needed to get an answer from the customers and, hence, they reduce the risks of making bad decisions as we get an initial validation in just five days.

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Founder & UX Director @ TeaCupLab, user research and strategy agency. Google Product Design Expert and certified Design Sprint Master