"Interesting questions. Thank you for asking it.
S: Suppose I want to add notifications service to an app that provides user directed content, that is is dependent on user's past preferences
T: if you ask me for a prototype, then I would use API gateway/ LB, Lambda, storage in SQL and No SQL both, have caches. later we could use CDN, have EC2 instances to run the app. We could deploy Kafka pipeline also. Create notification service on the existing app. - that will be a micro service
A: Since"
Agni W. - "Interesting questions. Thank you for asking it.
S: Suppose I want to add notifications service to an app that provides user directed content, that is is dependent on user's past preferences
T: if you ask me for a prototype, then I would use API gateway/ LB, Lambda, storage in SQL and No SQL both, have caches. later we could use CDN, have EC2 instances to run the app. We could deploy Kafka pipeline also. Create notification service on the existing app. - that will be a micro service
A: Since"See full answer
"Video is collection of images and we can call them as moving pictures.
Let us break down the important components of the video in comparison to photos and explain how they impact :
Frame rate per second : It is at which a total number of frames are captured in a video while it was shot and played then later
Resolution : What resolution video was shot and played on devices ( Both can be different)
Let us talk a bit deep dive about Frame rate per second. Often , a video co"
Kk - "Video is collection of images and we can call them as moving pictures.
Let us break down the important components of the video in comparison to photos and explain how they impact :
Frame rate per second : It is at which a total number of frames are captured in a video while it was shot and played then later
Resolution : What resolution video was shot and played on devices ( Both can be different)
Let us talk a bit deep dive about Frame rate per second. Often , a video co"See full answer
"Clarifying questions:
Location: Mountian view campus. [Google has campuses across the world and for the interview purpose design the product for Mountian view campus]
Assumption : Scope of the design is on-campus travel purpose between buildings.
Product: Digital product
Target Customer segments
Meetings: Googlers who takes bikes to commute to a different build for meetings.
a. Goal: On-Time for meetings
Lunch or breakfast: Lunch spot co-ordinat"
S K. - "Clarifying questions:
Location: Mountian view campus. [Google has campuses across the world and for the interview purpose design the product for Mountian view campus]
Assumption : Scope of the design is on-campus travel purpose between buildings.
Product: Digital product
Target Customer segments
Meetings: Googlers who takes bikes to commute to a different build for meetings.
a. Goal: On-Time for meetings
Lunch or breakfast: Lunch spot co-ordinat"See full answer
Product Design
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"To determine what predictions to show, our systems look for common queries that match what someone starts to enter into the search box but also consider:"
Abdurhman M. - "To determine what predictions to show, our systems look for common queries that match what someone starts to enter into the search box but also consider:"See full answer
"Since the coffee needs to be brewed in space, we cannot rely on gravity to pull the water down through the coffee grounds. Fortunately, there are other brewing techniques that can be used that do not rely on gravity. A lot of novelty coffee is brewed by forcing water through densely packed coffee grounds with pressure. This removes the requirement of gravity. If we have a plunger system with coffee grounds between a screen on the bottom, and water on top, we can use a plunger to push the water t"
Yamaan B. - "Since the coffee needs to be brewed in space, we cannot rely on gravity to pull the water down through the coffee grounds. Fortunately, there are other brewing techniques that can be used that do not rely on gravity. A lot of novelty coffee is brewed by forcing water through densely packed coffee grounds with pressure. This removes the requirement of gravity. If we have a plunger system with coffee grounds between a screen on the bottom, and water on top, we can use a plunger to push the water t"See full answer
"What is Slack ?
Slack is a basic instant messaging app usually used in the intra office space , allowing teams to communicate .Also , it includes video & voice calls . In a nutshell , it provides an efficient team communications solutions .
2 Goals of Google/ Position in the market ? To create innovative solutions to customer problems .
The focus is on providing accessible information to everyone .
3 Synergy of such a product with google : Slack allows efficient team communication ."
Pragya S. - "What is Slack ?
Slack is a basic instant messaging app usually used in the intra office space , allowing teams to communicate .Also , it includes video & voice calls . In a nutshell , it provides an efficient team communications solutions .
2 Goals of Google/ Position in the market ? To create innovative solutions to customer problems .
The focus is on providing accessible information to everyone .
3 Synergy of such a product with google : Slack allows efficient team communication ."See full answer
"Timeline and trends
analyze period when the CTR was down
Check external factors
Seasonality and holidays
Competitive factors
Industry-wide changes
Ad performance analysis
Ad copy
Product feed quality
Pricing
Promotions and discounts
Audience targeting and segmentation
Specific demographics?
User segment?
Device across mobile, desktop, and tablet
Ad placement and auction insights
Anything changed with ad placement?"
Varun J. - "Timeline and trends
analyze period when the CTR was down
Check external factors
Seasonality and holidays
Competitive factors
Industry-wide changes
Ad performance analysis
Ad copy
Product feed quality
Pricing
Promotions and discounts
Audience targeting and segmentation
Specific demographics?
User segment?
Device across mobile, desktop, and tablet
Ad placement and auction insights
Anything changed with ad placement?"See full answer
"Clarification : What do you mean by fake drugs ?
Ans : drugs that are counterfeit and not approved by the FDA.
Intro / scope : Fake drugs is a big problem and can even lead to someone death. For this question I plan to focus on the US market and drugs that can be bought over the counter and does not need a doctor's prescription. For prescription drugs, pharmacists play a key role in ensuring the doctor's prescription correct and pharmacists can also police fake drugs. Therefore I will focus o"
Niaz - "Clarification : What do you mean by fake drugs ?
Ans : drugs that are counterfeit and not approved by the FDA.
Intro / scope : Fake drugs is a big problem and can even lead to someone death. For this question I plan to focus on the US market and drugs that can be bought over the counter and does not need a doctor's prescription. For prescription drugs, pharmacists play a key role in ensuring the doctor's prescription correct and pharmacists can also police fake drugs. Therefore I will focus o"See full answer
"Questions and Clarifications:
Monitoring can mean a few things- Location, vital signs, fluids did you have something in mind or should I pick? -> You should pick
Should I assume I am acting as google or a startup -> You pick -> well google has a mission to organize the world's data, and well being data may play well with either the google health or google home systems. I will act as google
I am going to initially focus on the US market, as other markets may have different cultural expectatio"
Mark B. - "Questions and Clarifications:
Monitoring can mean a few things- Location, vital signs, fluids did you have something in mind or should I pick? -> You should pick
Should I assume I am acting as google or a startup -> You pick -> well google has a mission to organize the world's data, and well being data may play well with either the google health or google home systems. I will act as google
I am going to initially focus on the US market, as other markets may have different cultural expectatio"See full answer
"Clarifying Qns:
Note: How do we define DAUs? Let's say it's open ended and based on general engagement (watch time, comments, etc.)
Did the watch time went down and comments went up for the same videos or are we saying total watch time and total comments on Youtube? (Total)
I am assuming we are not including Youtube Live videos because those are typically live chat 1000’s of comments for a single video. (Correct)
Do we know if these two could be independent problems not correlated wit"
Shubh T. - "Clarifying Qns:
Note: How do we define DAUs? Let's say it's open ended and based on general engagement (watch time, comments, etc.)
Did the watch time went down and comments went up for the same videos or are we saying total watch time and total comments on Youtube? (Total)
I am assuming we are not including Youtube Live videos because those are typically live chat 1000’s of comments for a single video. (Correct)
Do we know if these two could be independent problems not correlated wit"See full answer
"Google Maps has achieved remarkable success due to several key factors that have set it apart in the realm of digital mapping and navigation services. There are a few crucial reasons behind its success:
Comprehensive and Accurate Data: Google Maps has a vast database of geographic information, including detailed maps, street views, and satellite imagery from all around the world. It provides accurate and up-to-date data on roads, landmarks, businesses, and other points of interest, allowing u"
Vincent T. - "Google Maps has achieved remarkable success due to several key factors that have set it apart in the realm of digital mapping and navigation services. There are a few crucial reasons behind its success:
Comprehensive and Accurate Data: Google Maps has a vast database of geographic information, including detailed maps, street views, and satellite imagery from all around the world. It provides accurate and up-to-date data on roads, landmarks, businesses, and other points of interest, allowing u"See full answer
"Goal:
To design a product that helps people keep track of their belongings and prevent loss.
Identifying users:
Individuals who frequently lose their belongings
Parents who want to keep track of their children's belongings
Tourists who want to secure their belongings while travelling
Selecting the right user:Given Google's expertise in technology, we will focus on designing a product for individuals who frequently lose their belongings.
Defining features and prioritizing:
Item tracki"
Anonymous Panda - "Goal:
To design a product that helps people keep track of their belongings and prevent loss.
Identifying users:
Individuals who frequently lose their belongings
Parents who want to keep track of their children's belongings
Tourists who want to secure their belongings while travelling
Selecting the right user:Given Google's expertise in technology, we will focus on designing a product for individuals who frequently lose their belongings.
Defining features and prioritizing:
Item tracki"See full answer