What do you consider the most important phases of a product's lifecycle?

Question

Anonymous · Accepted Answer

I see the product lifecycle as five key phases: discovery, validation, build,
growth, and maturity.

While each phase is important, I consider discovery and growth the most
critical. In discovery, you’re defining the problem to solve — if that’s off,
everything downstream is misaligned. I focus on deeply understanding the user’s
pain points, running interviews, and analyzing behavioral data to uncover unmet
needs.

Then in the growth phase, the focus shifts to scaling what works. This is where
you learn the most about real user behavior — through A/B testing, funnel
analysis, and retention metrics — and iterate quickly to improve experience and
impact.

For example, at Spotify, discovery was driven by recognizing that users wanted
effortless discovery, which led to features like Discover Weekly. Growth came
from measuring engagement and refining algorithms to boost retention.

At Instacart, I’d apply the same approach — using insight and iteration to build
products that remove friction for customers while delivering measurable value
for partners.

Anonymous · Answer

I think a product deployment starts with ideation.  I would crowdsource and get
multiple inputs for product content to ensure the deliverable is valuable to our
customers.  Then product development, which is tested iteratively by internal
quality assurance and beta customers in a sandbox test environment.  Prior to
deployment, I would again get feedback and iterate based on the beta customers
experience.  During deployment, I would ensure that communications are delivered
to customers and internal stakeholders, complete with documentation in multiple
areas, including reference documents in knowledge base articles and customer
forums.  During support, I would provide feedback on the most impactful areas of
the product and those that generate the most time and energy to support.  This
would result in product improvements and enhancements during the mature phase.
 Once ready to sunset, I would develop a transition plan for our customers to
the replacement product or service, mapping the old and new workflows and
highlighting the changes that may be required to business processes with the new
product.  Upon retirement, I would provide a complete lesson learned document to
the new product service owners.

Anonymous · Answer

Problem Discovery

Customer Discovery

MVP Hypothesis

MVP/Prototyping Development & Launch

MVP Adoption & Hypothesis Validation

Feedback & Improvement of MVP

Scaling

End-of-life

Anonymous · Answer

Product Lifecycle:

* Development: user needs, customer personas, product features to solve

* Growth: market, GTM, value props, user acquisition

* Maturity: optimize, reduce churn, upsell

* Decline: sunset, pivot, harvest

Anonymous · Answer

There are 5 stages of product

Emphtaise, define, ideat, prototype, test

the most imp phase is the empataise stage. As we get insights into pinpoints of
the users, helps us get a clear picture of the problem we are trying to address.

What do you consider the most important phases of a product's lifecycle?

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