"FB Vision
Why is this problem important - bad ads can drive customer churn and pose reputational risks in terms of law suits.
What is a bad ad defined as - we will exclude ad relevance. any ad that is inappropriate, harmful, and misleading.
What is the user journey >>
Businesses creates ads, ads are verified by FB team who will remove any bad ads, ads get published after verification, user sees the ads, reports if they dont like it, and the team verifies it again and if bad, removes it.
N"
Neha A. - "FB Vision
Why is this problem important - bad ads can drive customer churn and pose reputational risks in terms of law suits.
What is a bad ad defined as - we will exclude ad relevance. any ad that is inappropriate, harmful, and misleading.
What is the user journey >>
Businesses creates ads, ads are verified by FB team who will remove any bad ads, ads get published after verification, user sees the ads, reports if they dont like it, and the team verifies it again and if bad, removes it.
N"See full answer
"Thanks for the question. The way I would like to proceed with this question is firstly, to get more context about the problem by asking some clarifying questions and narrowing the scope. Then, I would like to break the problem into smaller components to understand where exactly our problem lies. Then make a user journey for that particular area and identify the technical and non-technical factors which might affect this change specific to our company/product. Post that, I'll analyse the external"
Nikita G. - "Thanks for the question. The way I would like to proceed with this question is firstly, to get more context about the problem by asking some clarifying questions and narrowing the scope. Then, I would like to break the problem into smaller components to understand where exactly our problem lies. Then make a user journey for that particular area and identify the technical and non-technical factors which might affect this change specific to our company/product. Post that, I'll analyse the external"See full answer
"Good Discussion on the distributed messaging queues (Complex topic with lot of nuances)
Liked the mind-map style drawing of requirements and metrics capture
Touched on different types of queue styles (point to point, pub-sub, fan-out/fan-in)
Storage and WAL usage was interesting
Some distributed queue challenges that could be helpful to highlight / expand are:
Message guarantee / semantics - Ordering of messages across different servers
Replication
Master slave architecture or Pe"
Karthik R. - "Good Discussion on the distributed messaging queues (Complex topic with lot of nuances)
Liked the mind-map style drawing of requirements and metrics capture
Touched on different types of queue styles (point to point, pub-sub, fan-out/fan-in)
Storage and WAL usage was interesting
Some distributed queue challenges that could be helpful to highlight / expand are:
Message guarantee / semantics - Ordering of messages across different servers
Replication
Master slave architecture or Pe"See full answer
"In order to earn team members trust you need to show -
1- You need to show them you trust them. Treat others the way you wanted to be treated.
2- Do what you say. Keep commitments.
3- Listen
4- Admit when you make mistakes
5- Consistently make good decisions
"
Ritu G. - "In order to earn team members trust you need to show -
1- You need to show them you trust them. Treat others the way you wanted to be treated.
2- Do what you say. Keep commitments.
3- Listen
4- Admit when you make mistakes
5- Consistently make good decisions
"See full answer
"To answer this question, I will first summarize the product and its use case. Thereafter, I will lay down the goals of the Company (LinkedIN) and the users with this product followed by going over user flows and determining what metrics we should use to measure success. We will go over a handful of metrics as a part of brainstorming but will only choose 2 or 3 to track overall success.
Product Overview
LinkedIn Events is a product will allows users to create online or offline events on Lin"
stash - "To answer this question, I will first summarize the product and its use case. Thereafter, I will lay down the goals of the Company (LinkedIN) and the users with this product followed by going over user flows and determining what metrics we should use to measure success. We will go over a handful of metrics as a part of brainstorming but will only choose 2 or 3 to track overall success.
Product Overview
LinkedIn Events is a product will allows users to create online or offline events on Lin"See full answer
Analytical
🧠 Want an expert answer to a question? Saving questions lets us know what content to make next.
"Clarify:
Are we talking about traditional noise-cancelling which cancels noise for listeners or we are talking about the speaker side noise-cancellation? - Interviewer replied: Both
Are we exploring to build something on top of existing hardware around Meta VR products or something in general? - Interviewer replied: up to you.
High level though process (Could be detailed with more structure):
Considering Meta's vision on building metaverse, where meta currently has AR/VR products li"
Anonymous Shark - "Clarify:
Are we talking about traditional noise-cancelling which cancels noise for listeners or we are talking about the speaker side noise-cancellation? - Interviewer replied: Both
Are we exploring to build something on top of existing hardware around Meta VR products or something in general? - Interviewer replied: up to you.
High level though process (Could be detailed with more structure):
Considering Meta's vision on building metaverse, where meta currently has AR/VR products li"See full answer
"Idea for solution:
Reverse the complete char array
Reverse the words separated by space. i.e. Find the space characters and the reverse the subarray between two space characters.
vector reverseSubarray(vector& arr, int s, int e)
{
while (s reverseWords(vector& arr )
{
int n = arr.size();
reverse(arr, 0, n - 1"
Rahul M. - "Idea for solution:
Reverse the complete char array
Reverse the words separated by space. i.e. Find the space characters and the reverse the subarray between two space characters.
vector reverseSubarray(vector& arr, int s, int e)
{
while (s reverseWords(vector& arr )
{
int n = arr.size();
reverse(arr, 0, n - 1"See full answer
"The company culture is very supportive and collaborative. Googlers are encouraged to be creative and innovative, and there is a lot of freedom to explore new ideas.
The work is challenging and rewarding. Googlers have the opportunity to work on cutting-edge projects that have a real impact on the world.
The company is committed to diversity and inclusion. Google is a great place to work for people from all backgrounds and with all different perspectives.
I am confident that I would b"
Praful B. - "The company culture is very supportive and collaborative. Googlers are encouraged to be creative and innovative, and there is a lot of freedom to explore new ideas.
The work is challenging and rewarding. Googlers have the opportunity to work on cutting-edge projects that have a real impact on the world.
The company is committed to diversity and inclusion. Google is a great place to work for people from all backgrounds and with all different perspectives.
I am confident that I would b"See full answer
"Smart Lock :
Clarifying Questions :
Are* we *talking about the locks we use for the doors or locks used for suitcases or study lockers ? "Scope is yours"
What do we need by smart ?
Are we a company that are already in lock business? - Yes
Do we have significant marketshare in lock business ? - Yes
Are we trying to address or improve any customer pain point or improve our metric? - "No"
Customer Segment :
Tech savvy -
non tech savvy- Customer buys
Old"
Hari priya K. - "Smart Lock :
Clarifying Questions :
Are* we *talking about the locks we use for the doors or locks used for suitcases or study lockers ? "Scope is yours"
What do we need by smart ?
Are we a company that are already in lock business? - Yes
Do we have significant marketshare in lock business ? - Yes
Are we trying to address or improve any customer pain point or improve our metric? - "No"
Customer Segment :
Tech savvy -
non tech savvy- Customer buys
Old"See full answer
"Product Understanding -
Ads are what you see from companies as stories, posts, reels. Post are from users (connections). We have to design an experience which produces maximum engagement while generating ad revenue.
Clarifying Questions -
Is it specific to posts/stories/reels ?
Is there an existing post to ads ratio or do we have to start from scratch?
Is it specific to a device/OS?
Is it specific to a region/user demographic?
Assumption -
Existing posts to ads ratio"
Vishal S. - "Product Understanding -
Ads are what you see from companies as stories, posts, reels. Post are from users (connections). We have to design an experience which produces maximum engagement while generating ad revenue.
Clarifying Questions -
Is it specific to posts/stories/reels ?
Is there an existing post to ads ratio or do we have to start from scratch?
Is it specific to a device/OS?
Is it specific to a region/user demographic?
Assumption -
Existing posts to ads ratio"See full answer
"Let me tell you about a time when my manager was on a two week PTO and I was building the post-MVP roadmap for a newly launched product.
Being a SaaS platform for supporting restaurants, I'd led the conception, planning, development and launch of the MVP for an online ordering solution for diners in restaurants. After the launch of the MVP, our original plan was to build features which supported table-service restaurants like keeping an open tab. But while looking at the data, I realized that a"
Singer29 - "Let me tell you about a time when my manager was on a two week PTO and I was building the post-MVP roadmap for a newly launched product.
Being a SaaS platform for supporting restaurants, I'd led the conception, planning, development and launch of the MVP for an online ordering solution for diners in restaurants. After the launch of the MVP, our original plan was to build features which supported table-service restaurants like keeping an open tab. But while looking at the data, I realized that a"See full answer
"I'd like to start by understanding the basic scope of the change we've observed.
Who is the user? Lyft is a two-sided marketplace so it could be the driver or rider. -Driver
When did the change happen? Was it slow or a sharp drop-off? - sharp, 2 weeks ago
Was there a specific geographic region? Urban v suburban? - no trends
Cancelling can happen at several points in ride acceptance, is there a particular point where we see most cancellations? - just after accepting a ride"
Anonymous Grasshopper - "I'd like to start by understanding the basic scope of the change we've observed.
Who is the user? Lyft is a two-sided marketplace so it could be the driver or rider. -Driver
When did the change happen? Was it slow or a sharp drop-off? - sharp, 2 weeks ago
Was there a specific geographic region? Urban v suburban? - no trends
Cancelling can happen at several points in ride acceptance, is there a particular point where we see most cancellations? - just after accepting a ride"See full answer
"Are we speaking of all Meta Ads products on something specific?
All of them
Meta is a social media and AI company that generates most of it's revenue from Ads on social media.
Meta's mission is to empower people to build communities and bring the world closer together.
If ads violate the community guidelines regulations that can directly hurt both Meta's mission and its revenue stream.
For example ads that include hate speech are against community guidelines and also hurts Meta's mission. Ha"
Yair G. - "Are we speaking of all Meta Ads products on something specific?
All of them
Meta is a social media and AI company that generates most of it's revenue from Ads on social media.
Meta's mission is to empower people to build communities and bring the world closer together.
If ads violate the community guidelines regulations that can directly hurt both Meta's mission and its revenue stream.
For example ads that include hate speech are against community guidelines and also hurts Meta's mission. Ha"See full answer
"Start with OpenTable's goal: making reservations easier for customers. If user's are having bad experiences then that impacts the key metrics ( # of bookings), create a negative brand perception with the potential to lose customers.
Focus on ecosystem: customers making reservations & merchants/businesses each have different pain points. For the sake of time, focus on customer's experience.
Post Booking User Flow
User receives a post booking confirmation (date/time"
Danyal R. - "Start with OpenTable's goal: making reservations easier for customers. If user's are having bad experiences then that impacts the key metrics ( # of bookings), create a negative brand perception with the potential to lose customers.
Focus on ecosystem: customers making reservations & merchants/businesses each have different pain points. For the sake of time, focus on customer's experience.
Post Booking User Flow
User receives a post booking confirmation (date/time"See full answer
"The interviewer hinted that a two-tower recommender system might be a suitable approach, using user history to embed users and pages separately and train on view or interaction data.
Instead, I proposed a different approach that I felt was more aligned with how knowledge is structured in Confluence:
I designed a system using a graph database to model the relationships between Confluence pages. Each page is a node, and edges represent content-based references. For example, when one article"
Clayton P. - "The interviewer hinted that a two-tower recommender system might be a suitable approach, using user history to embed users and pages separately and train on view or interaction data.
Instead, I proposed a different approach that I felt was more aligned with how knowledge is structured in Confluence:
I designed a system using a graph database to model the relationships between Confluence pages. Each page is a node, and edges represent content-based references. For example, when one article"See full answer
"Hi Everyone,
As an aspiring product manager, I feel with the latest Ray-Ban or Orion AR glasses that provides hands-free experience to the user. So basically, with these glasses you can interact, ask it to remember where you parked and what can you make with the ingredients which are in front of you, I think an extension to it can be a very great healthcare product.
Now let's imagine that this glass is storing all your eating habits, what medicines you take, with an integration to meta watches"
Pankhuri T. - "Hi Everyone,
As an aspiring product manager, I feel with the latest Ray-Ban or Orion AR glasses that provides hands-free experience to the user. So basically, with these glasses you can interact, ask it to remember where you parked and what can you make with the ingredients which are in front of you, I think an extension to it can be a very great healthcare product.
Now let's imagine that this glass is storing all your eating habits, what medicines you take, with an integration to meta watches"See full answer
"Clarifying questions : When we speak about video buffering, are we looking at long video (more than an hour), medium video, short videos and shorts? I will assume its all video types.
Is this was a steady increase or sudden one and over what time period? I will assume sudden one over last week?
Has we experienced any such issues in the past or trends? I will assume no.
Are we experiencing this globaly or for some region? I assume globaly
The KPI we are measuring is Average Video Buffering T"
Aeshvarya J. - "Clarifying questions : When we speak about video buffering, are we looking at long video (more than an hour), medium video, short videos and shorts? I will assume its all video types.
Is this was a steady increase or sudden one and over what time period? I will assume sudden one over last week?
Has we experienced any such issues in the past or trends? I will assume no.
Are we experiencing this globaly or for some region? I assume globaly
The KPI we are measuring is Average Video Buffering T"See full answer
"Clarifying/Assumptions:
Assuming improvement refers to lift in engagement in this case.
Youtube refers to the WWW and mobile platforms.
Key User Segments:
Creators
Influencers/Celebrities
Video bloggers
Regular users
Viewers
Power watchers
Casual watchers
Churned watchers
Selecting the Influencer segment from the above list since it is a smaller volume of users and will have a big impact on viewers. Also, it is easier to understand"
P K. - "Clarifying/Assumptions:
Assuming improvement refers to lift in engagement in this case.
Youtube refers to the WWW and mobile platforms.
Key User Segments:
Creators
Influencers/Celebrities
Video bloggers
Regular users
Viewers
Power watchers
Casual watchers
Churned watchers
Selecting the Influencer segment from the above list since it is a smaller volume of users and will have a big impact on viewers. Also, it is easier to understand"See full answer
"Clarification Questions :
Do all 10000 persons need Email access, or is 10000 people the colony's size? : Yes, 10000 people will use emails.
As I am a PM for Gmail, I assume we are focusing just on email as a form of communication: Yes.
Are there any requirements on the size of attachments allowable in the emails? : I will leave it up to you.
Understand the user behavior -> Identify key metrics -> Make quantitative estimation -> Understand plans -> Propose network bandwidth.
User b"
Navin T. - "Clarification Questions :
Do all 10000 persons need Email access, or is 10000 people the colony's size? : Yes, 10000 people will use emails.
As I am a PM for Gmail, I assume we are focusing just on email as a form of communication: Yes.
Are there any requirements on the size of attachments allowable in the emails? : I will leave it up to you.
Understand the user behavior -> Identify key metrics -> Make quantitative estimation -> Understand plans -> Propose network bandwidth.
User b"See full answer