"First, I want to get a better sense of what is a DAU. What is considered “Active”? User sending message, reading message, opening app?
All of the them, any activity within the Messenger App
Second, it’s important to know the context of the change. What timeframe was this over?
Let’s assume this was over the past 30 days.
Ok, a follow up to this would be to check if this is a seasonal pattern? For example, there could be a correlation to Messenger usage and school starting.
**This"
Michael A. - "First, I want to get a better sense of what is a DAU. What is considered “Active”? User sending message, reading message, opening app?
All of the them, any activity within the Messenger App
Second, it’s important to know the context of the change. What timeframe was this over?
Let’s assume this was over the past 30 days.
Ok, a follow up to this would be to check if this is a seasonal pattern? For example, there could be a correlation to Messenger usage and school starting.
**This"See full answer
"I watched a couple of videos like this, one of them by Exponent staff (I think). It was disappointing that the architecture diagram and the walkthrough was a general layered architecture that you can apply to any backend system. I was wondering if there are videos that can be considered a reference material to watch, learn and improve on the tech (sys design) skills, and not so much about the soft skills."
BriskD - "I watched a couple of videos like this, one of them by Exponent staff (I think). It was disappointing that the architecture diagram and the walkthrough was a general layered architecture that you can apply to any backend system. I was wondering if there are videos that can be considered a reference material to watch, learn and improve on the tech (sys design) skills, and not so much about the soft skills."See full answer
"How would you monetize messenger?
Clarifying Questions
Is this messenger app or web?
INTERVIEWER: Assume both are a possibility, but feel free to pick one
Is there a larger facebook goal or metric we are optimizing for?
INTERVIEWER: Monetization speaks to revenue so assume goal is to increase revenue for Facebook as a whole
Does this include messenger Rooms or should we stick to the traditional FB messenger?
INTERVIEWER: _Messenger rooms is a great call out, but let's stick"
Jay C. - "How would you monetize messenger?
Clarifying Questions
Is this messenger app or web?
INTERVIEWER: Assume both are a possibility, but feel free to pick one
Is there a larger facebook goal or metric we are optimizing for?
INTERVIEWER: Monetization speaks to revenue so assume goal is to increase revenue for Facebook as a whole
Does this include messenger Rooms or should we stick to the traditional FB messenger?
INTERVIEWER: _Messenger rooms is a great call out, but let's stick"See full answer
"Assuming this is meant to be a standalone product. Its a standalone app.
Goal: Simplify the shopping experience in store for a user.
Success would be defined in terms of app usage as a proxy for user satisfaction.
I want to think about the a given user segment, their pain points, ways to improve their pain and a way to evaluate those solutions.
Broadly user personas associated with grocery shopping are - stores and customers.
For the purpose of this interview I want to focus on customer se"
P K. - "Assuming this is meant to be a standalone product. Its a standalone app.
Goal: Simplify the shopping experience in store for a user.
Success would be defined in terms of app usage as a proxy for user satisfaction.
I want to think about the a given user segment, their pain points, ways to improve their pain and a way to evaluate those solutions.
Broadly user personas associated with grocery shopping are - stores and customers.
For the purpose of this interview I want to focus on customer se"See full answer
Product Design
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"Great question, first some clarifying questions:
I assume that we're talking about meta disrupting the travel industry? Or generally
When we say travel industry, this could include modes of transportation, scheduling transportation, what to do when you're there etc.? Are we focused on business travel? Leisure travel?
I'm going to assume for the sake of scoping down that we're going to be focused on Leisure travel because business does not have as much pain, and on the flip-side o"
Anonymous I. - "Great question, first some clarifying questions:
I assume that we're talking about meta disrupting the travel industry? Or generally
When we say travel industry, this could include modes of transportation, scheduling transportation, what to do when you're there etc.? Are we focused on business travel? Leisure travel?
I'm going to assume for the sake of scoping down that we're going to be focused on Leisure travel because business does not have as much pain, and on the flip-side o"See full answer
"My main task was to improve our recommendation system. I worked closely with the business and data teams to understand how recommendations were made in the past. After discussions, I found out that the system had fixed recommendations and didn't consider customer preferences.
Our goal was to identify potential customers better, boost conversion rates with personalized recommendations, and increase cross-selling of products. After analyzing a lot of data, we focused on customers with accounts an"
R S. - "My main task was to improve our recommendation system. I worked closely with the business and data teams to understand how recommendations were made in the past. After discussions, I found out that the system had fixed recommendations and didn't consider customer preferences.
Our goal was to identify potential customers better, boost conversion rates with personalized recommendations, and increase cross-selling of products. After analyzing a lot of data, we focused on customers with accounts an"See full answer
"Interviewer: Design a Meta Product for space travel.
Me: I would first likely ask a few clarifying questions. Can we discuss more about what do we mean by a product for space travel? Is it like a physical product or a software product? Any existing suite of products that we want to integrate this into?
Interviewer: It can be a digital platform – a combination of software and services, integrated in a single ecosystem. It's not a physical product like a spacecraft, but rather a pla"
Ankit M. - "Interviewer: Design a Meta Product for space travel.
Me: I would first likely ask a few clarifying questions. Can we discuss more about what do we mean by a product for space travel? Is it like a physical product or a software product? Any existing suite of products that we want to integrate this into?
Interviewer: It can be a digital platform – a combination of software and services, integrated in a single ecosystem. It's not a physical product like a spacecraft, but rather a pla"See full answer
"Candidate [Clarifying Question 1] - Does success metric needs to be discussed across any particular stage of user life cycle - Growth , Engagement or Monetisation ?
Interviewer - Let's focus on overall health metrics of the product.
Candidate[Clarifying Question 2] : Does the metrics needs to be presented as an update to CXO in quarterly meetings or monthly meetings or it needs to be presented internally to product / marketing team for detailed analysis ?
Interviewer - Let's sa"
Vivek S. - "Candidate [Clarifying Question 1] - Does success metric needs to be discussed across any particular stage of user life cycle - Growth , Engagement or Monetisation ?
Interviewer - Let's focus on overall health metrics of the product.
Candidate[Clarifying Question 2] : Does the metrics needs to be presented as an update to CXO in quarterly meetings or monthly meetings or it needs to be presented internally to product / marketing team for detailed analysis ?
Interviewer - Let's sa"See full answer
"average price per transaction would drop because we might not be considering currency exchange rates, which is much lower in India and Southeast Asia, when aggregating data globally.
to define success, i'll first segment the data, separating existing markets to newer ones to check if that is the cause of the dropping average price. then i'll select a north star metric, which would be the number of completed transactions vs. attempted. i'll also track supporting metrics like usage frequency and"
Sam E. - "average price per transaction would drop because we might not be considering currency exchange rates, which is much lower in India and Southeast Asia, when aggregating data globally.
to define success, i'll first segment the data, separating existing markets to newer ones to check if that is the cause of the dropping average price. then i'll select a north star metric, which would be the number of completed transactions vs. attempted. i'll also track supporting metrics like usage frequency and"See full answer
"C : Okay. So I would want to start with knowing what is the product for which we have to build a recommendation system.
I : This is a photo sharing product.
C : Okay. So is this something on the lines of Instagram?
I : Yes
C : Okay. And are we a new product co or we have some current product built already?
I : You can assume yourself.
C : Okay. Is there any demography or country we are targeting?
I : No, this is a global product
C : Okay. So, the biggest goal of any product recommendation system"
Kartikeya N. - "C : Okay. So I would want to start with knowing what is the product for which we have to build a recommendation system.
I : This is a photo sharing product.
C : Okay. So is this something on the lines of Instagram?
I : Yes
C : Okay. And are we a new product co or we have some current product built already?
I : You can assume yourself.
C : Okay. Is there any demography or country we are targeting?
I : No, this is a global product
C : Okay. So, the biggest goal of any product recommendation system"See full answer
"For Xbox, the next-generation product I propose is a virtual reality headset. The rationale is threefold:
Industry Trends: Competitors like Meta and Apple are investing heavily in VR/AR, signaling strong market potential.
Xbox Legacy: Xbox has a history of pushing innovation in gaming hardware (e.g., Kinect), and VR represents the next frontier beyond traditional consoles.
Strategic Need: With console sales flattening, Xbox must expand into new experiences that deepen engagement and different"
Anonymous Stork - "For Xbox, the next-generation product I propose is a virtual reality headset. The rationale is threefold:
Industry Trends: Competitors like Meta and Apple are investing heavily in VR/AR, signaling strong market potential.
Xbox Legacy: Xbox has a history of pushing innovation in gaming hardware (e.g., Kinect), and VR represents the next frontier beyond traditional consoles.
Strategic Need: With console sales flattening, Xbox must expand into new experiences that deepen engagement and different"See full answer
"Great explanation on each of the components and their use.
During the interview would a PM candidate be expected to go in-depth for capacity estimation (e.g. storage estimation, bandwidth estimation etc.?)"
A B. - "Great explanation on each of the components and their use.
During the interview would a PM candidate be expected to go in-depth for capacity estimation (e.g. storage estimation, bandwidth estimation etc.?)"See full answer
"Clarifying
How does autoplay work? I presume it's how it's done today (no audio, start playing once the video is scrolled to be completely in the user's screen)
Desktop or mobile?
Which market is this? Users in US / Western Europe vs developing markets have different behaviors
Goals & Metrics
FB's mission is to help people build deeper connections. As a news feed PM, the goal is to make sure FB news feed is valuable to the users by being a great way to keep in touch with"
Patrick B. - "Clarifying
How does autoplay work? I presume it's how it's done today (no audio, start playing once the video is scrolled to be completely in the user's screen)
Desktop or mobile?
Which market is this? Users in US / Western Europe vs developing markets have different behaviors
Goals & Metrics
FB's mission is to help people build deeper connections. As a news feed PM, the goal is to make sure FB news feed is valuable to the users by being a great way to keep in touch with"See full answer
"Clarifying questions
I am assuming the time frame for this question is irrelevant as this is a hypothetical question? : Yes
Is IG prioritising the creator side or the viewer side more at the moment? : What do you think? I think it should be a balance for the long term sustenance of the network
Are all these reels and views in a particular geography or globally? : Globally
What is the duration for which these Views are measured? Assume a day
Do we know anything about other engagemen"
Kartikeya N. - "Clarifying questions
I am assuming the time frame for this question is irrelevant as this is a hypothetical question? : Yes
Is IG prioritising the creator side or the viewer side more at the moment? : What do you think? I think it should be a balance for the long term sustenance of the network
Are all these reels and views in a particular geography or globally? : Globally
What is the duration for which these Views are measured? Assume a day
Do we know anything about other engagemen"See full answer
"Assuming this product is independent of FB product family and we are thinking of building an independent product.
Goal: Make it easy for users to simplify the appointment process with the doctor.
Success: Number of appointments made, repeat appointments made.
Lets understand who are the key personas involved here:
Doctors/Clinics (Excluding dentists)
Patients/Users
For this problem, I want to focus on the patient persona and go deeper into their problems.
The various user segments ar"
P K. - "Assuming this product is independent of FB product family and we are thinking of building an independent product.
Goal: Make it easy for users to simplify the appointment process with the doctor.
Success: Number of appointments made, repeat appointments made.
Lets understand who are the key personas involved here:
Doctors/Clinics (Excluding dentists)
Patients/Users
For this problem, I want to focus on the patient persona and go deeper into their problems.
The various user segments ar"See full answer
"Clarify:
What is a transaction in Instagram Shops? Users click on an item and complete the payment in the Instagram Shops interface
How many transactions happen in Instagram shop per day/month?
What percentage of users have completed at least 1 transaction on Instagram Shops in the last year?
Key Metric to improve: # Users completing a transaction
Goals of the Product / Feature:
Meta’s goal is to build community and connect people together
Instagram’s goal is to connect and"
Nikitha G. - "Clarify:
What is a transaction in Instagram Shops? Users click on an item and complete the payment in the Instagram Shops interface
How many transactions happen in Instagram shop per day/month?
What percentage of users have completed at least 1 transaction on Instagram Shops in the last year?
Key Metric to improve: # Users completing a transaction
Goals of the Product / Feature:
Meta’s goal is to build community and connect people together
Instagram’s goal is to connect and"See full answer
"Clarifying question to make sure that I'm analyzing the right feature - is this the notification bell that is in the Facebook app and site? (assume Yes) Tapping on it opens a drop-down that captures items and activities that the user should be aware of? (Yes) Ok, I believe I'm clear on which feature you're referring to.
My approach:
Customer problem and value proposition
Meta's mission and north star metric
Customer journey and notification bell use case
Success metrics on value del"
Anonymous Sparrow - "Clarifying question to make sure that I'm analyzing the right feature - is this the notification bell that is in the Facebook app and site? (assume Yes) Tapping on it opens a drop-down that captures items and activities that the user should be aware of? (Yes) Ok, I believe I'm clear on which feature you're referring to.
My approach:
Customer problem and value proposition
Meta's mission and north star metric
Customer journey and notification bell use case
Success metrics on value del"See full answer
"I will divide my answer in 2 parts:
Process I use for managing risks in any Project
I will explain a real life situation where a Risk occurred and how I managed it
Process for Risk Management can be broken down into 3 parts:
Risk Identification: Risk identification is a team effort and is an ongoing process that happens throughout the Project. Technical Risks are usually identified during design/build/testing stage. I maintain a Risk register document to capture all the risks identified"
Saket S. - "I will divide my answer in 2 parts:
Process I use for managing risks in any Project
I will explain a real life situation where a Risk occurred and how I managed it
Process for Risk Management can be broken down into 3 parts:
Risk Identification: Risk identification is a team effort and is an ongoing process that happens throughout the Project. Technical Risks are usually identified during design/build/testing stage. I maintain a Risk register document to capture all the risks identified"See full answer
+18Product ManagerSystem Design
+12Product Design
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