"Designing a system to track review abuse on Amazon.com involves detecting fraudulent, manipulative, or biased reviews while ensuring genuine customer feedback isn't mistakenly flagged. Here's a high-level breakdown:
1. Goals
Detect and prevent fake or abusive reviews.
Maintain integrity and trust in the review system.
Support scalability for millions of products and reviews.
2. Key Abuse Scenarios
Fake positive reviews (e.g., sellers boosting their own products).
Fake"
Tesfaye M. - "Designing a system to track review abuse on Amazon.com involves detecting fraudulent, manipulative, or biased reviews while ensuring genuine customer feedback isn't mistakenly flagged. Here's a high-level breakdown:
1. Goals
Detect and prevent fake or abusive reviews.
Maintain integrity and trust in the review system.
Support scalability for millions of products and reviews.
2. Key Abuse Scenarios
Fake positive reviews (e.g., sellers boosting their own products).
Fake"See full answer
"The adjusting context window size in LLM change trade off between reasoning capability, accuracy, computation cost. It influence how attention mechanist allocate resources across the input.
Longer context window let it you input greater number of words and have more context to generate proper next token. However llms have lost in the middle issue. They remember the beginning of text and end of text but lost information located in the middle of long input. Another problem is Attention Dilution."
Alex N. - "The adjusting context window size in LLM change trade off between reasoning capability, accuracy, computation cost. It influence how attention mechanist allocate resources across the input.
Longer context window let it you input greater number of words and have more context to generate proper next token. However llms have lost in the middle issue. They remember the beginning of text and end of text but lost information located in the middle of long input. Another problem is Attention Dilution."See full answer
"@Jacob, your videos are really good and helpful.
I want to know about the tool, you use for explaining the design in the videos."
anush - "@Jacob, your videos are really good and helpful.
I want to know about the tool, you use for explaining the design in the videos."See full answer
"As the Product Manager for Google Play Store Ads, our goal with the ad ranking algorithm is to create a win-win ecosystem. We want to connect users with relevant and engaging apps they'll find valuable, while simultaneously delivering high-quality installs and engagement for our advertisers, ultimately driving sustainable revenue for Google.
To achieve this, our ad ranking algorithm will be guided by the following core principles:
Relevance First: We will prioritize ads tha"
Rohit K. - "As the Product Manager for Google Play Store Ads, our goal with the ad ranking algorithm is to create a win-win ecosystem. We want to connect users with relevant and engaging apps they'll find valuable, while simultaneously delivering high-quality installs and engagement for our advertisers, ultimately driving sustainable revenue for Google.
To achieve this, our ad ranking algorithm will be guided by the following core principles:
Relevance First: We will prioritize ads tha"See full answer
"Let's imagine you want to open Google Maps, you type maps.google.com and hit Enter. Here is what happens:
You type maps.google.com into the address bar of your browser.
Browser completes the address, for example, maps.google.com → https://www.maps.google.com
[Address decoding] → browser breaks down the URL into parts
‘https://’: protocol → how the browser should connect to the website
Default is HTTP (Hypertext Transfer Protocol) which shows up as ‘ http:/"
Jasmin R. - "Let's imagine you want to open Google Maps, you type maps.google.com and hit Enter. Here is what happens:
You type maps.google.com into the address bar of your browser.
Browser completes the address, for example, maps.google.com → https://www.maps.google.com
[Address decoding] → browser breaks down the URL into parts
‘https://’: protocol → how the browser should connect to the website
Default is HTTP (Hypertext Transfer Protocol) which shows up as ‘ http:/"See full answer
"Thanks for the question! This is one of my favourite topics because it’s at the core of what we do as PMs DAILY: making the complex simple to drive alignment. I’ve got a structured way to approach this, and I’ll use it to explain payment aggregators - like Plaid - and how they enable Open Banking, with a twist about a technical hiccup I’ve seen in practice. Let’s dive in.
I start by assessing the audience. Say I’m talking to a marketing manager at Transak - someone sharp but not techni"
Adarsh S. - "Thanks for the question! This is one of my favourite topics because it’s at the core of what we do as PMs DAILY: making the complex simple to drive alignment. I’ve got a structured way to approach this, and I’ll use it to explain payment aggregators - like Plaid - and how they enable Open Banking, with a twist about a technical hiccup I’ve seen in practice. Let’s dive in.
I start by assessing the audience. Say I’m talking to a marketing manager at Transak - someone sharp but not techni"See full answer
"System architecture diagram. Define API params, responses, tradeoffs between caching and webhooks to update message delivery status."
Kaitlyn M. - "System architecture diagram. Define API params, responses, tradeoffs between caching and webhooks to update message delivery status."See full answer
"5 reasons
Gmail search is real time
Gmail search needs to be 100% accurate
Does not have significant caching / hot searches
Less hardware used as user info cant be sprayed across machines
Gmail storage is different, as needs decryption on every"
Mohit G. - "5 reasons
Gmail search is real time
Gmail search needs to be 100% accurate
Does not have significant caching / hot searches
Less hardware used as user info cant be sprayed across machines
Gmail storage is different, as needs decryption on every"See full answer
"Overall, a successful Netflix viewing session requires that the user was able to find a piece of content that they loved watching. Now, to break this down, how we might define this:
-Time browsing (from app open to content played)
-Satisfaction
--> inferred satisfaction: did user complete watching the piece of content?
--> explicit: did the user rank that they loved the content (2 thumbs up)?
The way I would evaluate a new Top Picks ML feature would be to implement an A/B test as follows:
Te"
Henry H. - "Overall, a successful Netflix viewing session requires that the user was able to find a piece of content that they loved watching. Now, to break this down, how we might define this:
-Time browsing (from app open to content played)
-Satisfaction
--> inferred satisfaction: did user complete watching the piece of content?
--> explicit: did the user rank that they loved the content (2 thumbs up)?
The way I would evaluate a new Top Picks ML feature would be to implement an A/B test as follows:
Te"See full answer
"
Before starting to answer let me gather the necessary details before proceeding:
Objectives and Goals\:
"What are the primary objectives of implementing the push notification system? Are we aiming to increase user engagement, drive sales, or provide timely updates?"
Target Audience\:
"Who is the target audience for these push notifications? Are there specific user segments we should focus on?"
Platform and Device Considerations\:
"Which platforms (iOS, Andr"
Mereke D. - "
Before starting to answer let me gather the necessary details before proceeding:
Objectives and Goals\:
"What are the primary objectives of implementing the push notification system? Are we aiming to increase user engagement, drive sales, or provide timely updates?"
Target Audience\:
"Who is the target audience for these push notifications? Are there specific user segments we should focus on?"
Platform and Device Considerations\:
"Which platforms (iOS, Andr"See full answer
"Think of an operating system (OS) as being similar to a person managing household tasks like you! Imagine you have several chores to do around the house, such as cooking, cleaning, and praying. Each of these tasks is like an individual app. You, in this case, are responsible for ensuring all these tasks are completed smoothly.
When you cook, you decide what ingredients to buy, how much of each, and which utensils to use. For cleaning, you assess what surfaces need to be cleaned, whether you need"
Ekta M. - "Think of an operating system (OS) as being similar to a person managing household tasks like you! Imagine you have several chores to do around the house, such as cooking, cleaning, and praying. Each of these tasks is like an individual app. You, in this case, are responsible for ensuring all these tasks are completed smoothly.
When you cook, you decide what ingredients to buy, how much of each, and which utensils to use. For cleaning, you assess what surfaces need to be cleaned, whether you need"See full answer