Interview Questions

S S. - "To answer this question, I’d like to first start with clarifying my understanding of FB stories and key elements that are essential towards setting the success goal. FB Stories : Very similar to IG stories and infact based on the success seen from IG Stories, FB stories allows users to create ephemeral/disappearing content lasting 24 hours . The content could be a video, collection of pictures or even text with added animations and other enrichment - emulating a storytelling style. Stor"See full answer

stash - "Clarification What category of Marketplace are we setting a goal for as there are several sub-marketplaces? —> We are looking at overall Marketplace Are we focused globally or in the US? —> Lets limit to the US To set the Goal for FB marketplace I will start by describing the product, go over goals for the users (buyers / sellers) and the business (FB), review user actions, list metrics and then summarize our goal for marketplace and choose a few keys metrics to track our progress towa"See full answer

Leonardo F. - "1) Product Just to make sure we are on the same page. Facebook Groups is a functionality/feature inside Facebook App where people can create and interact within specific groups. These groups are managed by admins, who define the rules. Is my understanding correct? 2) Clarification Do we want to measure success for a specific user segment? Are we looking at specific types of groups? What about location? What about devices, have you any in mind, web, android, iOS? _I will assume tha"See full answer

Praveen - "Narrow down scope with clarifying questions: Confirm that Reactions are the like, love, sad and other icons that facebook users can respond with on your post. Understand the metric: is "down" ... absolute number or is it a ratio of reactions per post? Understand the boundary conditions: Is it specific to a certain region, certain segment of users (only from new users versus active users), happening on personal posts or group posts, happening on app versus desktop/mobile etc. Under"See full answer

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

Scarlett S. - "Clarifying and definition of the metrics By creations down by 5%, how do you calculate the drop? the how % user create stories has dropped, or the overal stories being created fewer, could be average stories created by a user drops. Basically, how do you calculate the creation and drop? They have similarities, but it reveals diffrent type user behahviors. Assume they say fewer people create fewer stories , both, Just to be confirm that, we saw a 5% change/dig in how many user"See full answer

Arthur Y. - "Clarifying Questions/Statements: Clarify understanding of Fundraisers: My answer: product that lets users create fundraisers for a particular cause, and invite/share it with other users to donate to that cause. Usually set for a certain target donation amount to be met, and a timeframe for which a user can donate to the cause Are we assuming the lifecycle of the Fundraisers product today? If so, then I’d focus on engagement, since we have a meaningful amount of users on FB ap"See full answer

Chelsea F. - "First I'd start by asking a few questions/clarifying some assumptions: This is the existing Facebook Events product where users invite other Facebook users to an event (either IRL or virtual) at a certain time/date, and invitees can RSVP, or react/comment on the event? Is this question limited to a specific part of the FB product base (e.g. Facebook app vs. web experience) or are we discussing the FB Events product across all platforms? FB Events have been a key part of Facebook for quite"See full answer

Gadi R. - "So first, I have some clarifying questions, what is Facebook lite? If I understand correctly this is a version of the Facebook application for Android, with the same functionality but lighter in terms of size. It is aimed to be used in emerging markets where the bandwidth is limited What are the tradeoffs for the size of the app? I guess that some visual elements are stripped down from the app and reduced its size Is this application exist or I am launching it The timeframe of the product?"See full answer

Arthur Y. - "Clarifying questions: Clarify what Facebook Lite is Assumed answer: It’s a slimmed down version of mobile FB app optimized for slower connections and uses less data than the primary mobile FB app by not offering features like videos and high resolution photos. It is only available on Android and primarily built by FB to the developing world can have access to FB. What is meant by “opens are down”? Assumed answer: The total amount of opens of the app on Android devices"See full answer

Arthur Y. - "Clarifying Questions: What are Discovery features on IG? My assumed answer: posts of followers you don’t already follow that you see on the Discovery tab of IG. The posts consist of video clips, IGTV posts, and pics. User can browse through endless scroll of posts, and can filter by category (e.g. sports, comedy, etc.) on the Discovery tab. Exclude IGTV and IG Shopping, which can also be accessed by Discovery tab, and just focus on Discovery of users you don’t already follow as"See full answer

Arthur Y. - "Clarifying Questions: By “down”, do we mean creation of messages (activation), engagement, or both? My assumed answer: engagement How are “messages” defined? Is it comments to posts, DMs, or posts themselves? My assumed answer: DMs How is engagement of DMs defined? Is it by number of DMs viewed, created, replied to? My assumed answer: all of that Quick Product Strategy Discussion: Why messaging is important to LinkedIn LinkedIn’s mission is"See full answer

Katie - "Union−Find -We illustrate our basic approach to developing and analyzing algorithms by considering the dynamic connectivity problem. We introduce the union−find data type and consider several implementations (quick find, quick union, weighted quick union, and weighted quick union with path compression). Finally, we apply the union−find data type to the percolation problem from physical chemistry. Analysis of Algorithms -The basis of our approach for analyzing the performance of algorithms is th"See full answer

Mihail E. - "A/B test on a small batch of users/drivers"See full answer

Alfredo M. - "The question refers to a very specific event: "step into the back for a few minutes, return and see a lot of people waiting"... I might try to clarify goals and scenario: Before I stepped back, there were no ppl waiting? If so, we might be talking about a very specific, even uncommon scenario, in which optimizations for the complete serving system in the long term might not be needed. Maybe they even arrived all together and this is expected behavior. Are people waiting for something specif"See full answer

Elisa L. - "Being a marketplace, there are two users that Uber wants to satisfy: the rider and the driver. I think the ultimate success metric is related to how well riders and drivers get matched. The ultimate goal for the rider is to get to their destination as efficiently as possible. Some concerns for the rider may be Matching with drivers Minimizing waiting time waiting to be matched and waiting for the driver to arrive Ease of pick-up and drop-off (ie. Driver coming from the opposite side of t"See full answer

Sukriti C. - "Lyft at its core is a marketplace with drivers and cars on the supply side, and passengers on the demand side. I would begin by dividing the goal of the dashboard into two categories : Health of the marketplace Health of the app/ reliability from a technical perspective The second one is more straightforward so I’ll briefly mention some overarching metrics I would look at and come back to it later if time allows. Health or reliability of the app can be further divided into the following -"See full answer

Manish E. - "Clarifying questions: US-based? And All year including holidays? First, what is the goal? Grow user base of Prime? Add revenue? I'd imagine it's to grow Prime base, as it's sticky and I imagine the Lifetime Value is higher as people will shop more if they have Prime. Then, I would look at the users. What are they trying to do? They're purchasing gifts, and looking to gift wrap. Take a look at the number of gift purchases total with gift receipt and no gift wrap. Call this X. Break thi"See full answer

Michelle D. - "I'd tell the interviewer that I'd start off with clarifying the question to make sure I understand it correctly (see 1 below). Then, I'd tell the interviewer my approach to make sure they know what to expect as I talk through. Approach would start with discussing the mission and connecting a north star metric (NSM) to the mission, then discuss key product metrics that are inputs towards NSM. If there's time at the end and if the interviewer wants to go down this path, we should also talk about t"See full answer