Instagram is launching video calling. How would you test and measure its success?
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Assumption: We want to measure success at launch
I'll start by first laying out FB's overall mission/goals for context:
FB is focused on bringing people together and creating community.
Metrics related PM interview questions like this should use the following structure (or something similar):
Description of the Feature: IG Video call would allow private conversations between 2 or more users (callers and receivers).
The goal of the Feature: Let's assume that the goal of the feature is to increase retention on Instagram
User Map Journey :
Acknowledgements: via a popup message that announces the availability of the feature
- # users who read the popup message ;
- Avg time spent on reading the popup message ;
- % users who read the popup message/people who launch the feature
Activation : let assume that activation means to launch the first video call to another user
- #users who launch the first call to another user
- #first call that answered by the receivers
- Avg time spent on the first video call
- growth of activated users WoW, MoM
Engagement : Let's assume there is an Engagement when receivers answer to video call requests
- #video call request well answered by receivers
- Avg time spent on video calls
Retention :
- # WAU (Weekly Active Users) on video call;
- Avg time spent on Instagram via video call;
- Growth of WAU of the Video Call feature;
- % of calls sent/received per user
Revenue: No revenue tracked because the goal of the feature is to increase retention
Referrals :
- #invites to video call on IG
- #call sent to non activated users of the feature
Prioritizing :
To summarize based on the goal of the feature which is to increase retention on Instagram, let's focus on the following metrics :
- #users who launch the first call to another user
- Avg time spent on Instagram via video call;
- Growth of WAU of the Video Call feature;
Instagram is launching video calling. How would you test and measure the success of it?
By video calling are you referring to a feature that lets you call users individually/privately unlike live which anyone can opt into
Assuming you want to identify metrics for the success here WRT launch which means a focus on adoption
Context
Instagram is a photo/video sharing app - its mission is to capture the world's moment and gives you the tools to do that
We are launching so whats the goal of the launch - adoption vs engagement , Id say former(adoption focusseD) since it takes time to build habits
Video calling
Video calling allows you to video call your contacts , as a reciever youd want this to come from someone in your network so assuming its only for 2 way follow relationships
Is it opt-in by default or do you have to opt-in manually, assumings its former
Whats the goal here
Allow people to closely connect with people in their network in a private fashion and help build a community
users needs
Caller
Share a beautiful moment with reciever
Connect with receiver regarding something they shared
Generally catch up with reciever
good quality stream
Receiver
No spam, I dont want to be called by people I don't know
Good quality stream
Assumptions
Assuming this is only enabled if the user pair is following each other
Since this is a social feature assuming that there are enough users on it already and the flag for the feature was kept off
Can users opt-out? assuming they can since this is not messaging platform at its core
Goal at launch: drive adoption and trial (Short term)
Given that IG is not the default when it comes to video/calls/messaging ( though it's moving towards that) assume that this is opportunity driven use case rather a daily use case so retention may not be a meaningful metric
I would breakdown North star metrics into the following :
Product (engagement focussed): Mins spent on live calls (with a graph for the following) = Unique users x sessions/user x avg time/session
launch focussed(adoption focussed): % of eligible users(support version + live call enabled) using calls in a meaningful fashion (actually made a 2 way call)
Health metrics - these are metrics I'll use to understand the health of the product
P0
Discovery Funnel : What % of users discover the feature , what % of these users actually tried it
NPS score: Gives me a sense of the users are feeling when they use the product
% users opting out: This is critical in terms of understanding if the defaults we've chosen make sense or do we need to make changes because you dont want to annoy users
Spam rate: What % of calls are spam - ie rejected multiple times.
Avg call length: Gives you a sense of depth of engagment this is generating
Overall timespent metrics for IG: Are the users spending more time on IG because of this feature
P1 - retention focussed
Weekly rolling retention: users using this feature in a meaningful way(call actually connected) on a weekly basis
Drop off rate: users who tried for the first time(callers only) and dropped out the next week
Product Desc- Instagram Video calling is an option on top within Instagram messaging, giving the opportunity to have a video conversation with friends over audio. It acts as a quick platform tp connect rather than going on alternative apps for initiating a video call.
FB Mission- To build community and bring ppl closer together and Instagram video calling helps ppl to connect and build community through having them have video calls and take the communication with a personal touch.
Goal- To increase engagement
Customer Journey:
Open conversation with a friend- access option to initiate video call -> it connects to a friend and once the friend accepts- you have a video call.
Hypothesis: Launching VC will increase engagement ( time spent per user on Instagram)
Test: 1. Number of ppl prefer VC rather than just text
2. Time spent per user on Insta increases post-VC launch
3. Number of users not opting in for VC
Platform Health Metrics:
- #video calls per user per day-->Conversion
- CTR of VC feature--->Awareness
- time spent on video calls / total time spent on Instagram per user per day--Engagement
- %increase in time spent on Instagram post video calling feature rollout
- %increase in messaging conversations per user per day-Engagement
- #missed video calls per user per day
- Average time spent per video call per user per day--Engagement
- Drop rate/ of video calls--Retention
North Star Metric: number 3 and 4 as it aligns with our goal for user engagement.
Counter Metrics:
- Average time spent per video call per user per day-- if that is too high that could be because quality may be poor and user on opposite side is unable to hear and it may take longer to keep a call going.
Clarifying question:
Nascent stage
USA/Canada
App/Web - App
Instagram has close to 1.3B active users
Multiple user can join or just single user - multiple
Instagram - social media platform, create and share content, follow fan, like/comment/react, instagram shopping.
What are Meta core strengths?
Technology
Social graph
Competition or similar services
Zoom - business/
TEAMS - Microsoft
Whatsapp - Video calling
Messenger - Video calling
Google meet - video calling
Mission of Instagram video: To help users to stay connected and give them power to share through the use of technology.
Funnel:
User Login to instagram app
Look at recent instagram stories
Interact with friends/Fans through like and comment section
Metrics:
Adoption:
Daily, weekly and monthly new users (once a month) using instagram video feature
Engagement
Avg time used per user on Instagram video
Avg time increased and decreased on overall instagram after this feature was launched - daily, weekly and Monthly
Retention:
Daily, weekly, monthly users who uses instagram feature more than once
Users who have not used video calling on intsagram in more than a month
Monetization:
Avg. revenue increase/decrease with instagram video features being live.
Performance:
Daily, weekly, monthly video calling issues reported by users
MVP or north star:
Adoption and Engagement:
How many active users are making the call and avg time they spent on the call.
Counter-metrics: Performance
Avg star rating provided by user on video calling feature on daily, weekly, and monthly basis
Clarify:
2 different applications: mobile and web
We can use the insta web in order to see the posts etc . I am assuming that this video calling feature will be launched on mobile app. Ok
Assuming that this video calling can be done with group of people, not just 1:1.
Since this is the “communication” part of the app, I assume that this feature will be added to the messaging/messenger part.
Instagram: this is a social media platform where users can create the content and post their pictures and videos with the closed /open group according to their settings.
User journey:
User to open the app
User to open messenger
User to click the video button
User to call the person ( video is closed first, for the privacy)
User to communicate with the other(s)
These social media products are being fed by the engagement between the users. Because if there is no product selling, you are the product. Here the main idea to launch this video calling is that they want users to engage with the product and be the part of this ecosystem.
Goal: increase the retention rate and engagement of the app and at the end of the day I want to increase the revenue.
What can I measure here? What steps are important:
Brainstorming:
- Who is going to be my base? DAU, WAU and I want to see MAU to make them more DAU, WAU
- How can I know that my friend is using the app actively to call them?
- Any technical issues?
- Can I call all my friends on my list? Like influencers? Or just ppl that we follow reciprocally?
Metrics:
- How many active users are getting the call?
- How many calls are answered? ( because I may add a feature which can show that the person is active in the app currently. So that this can increase the answers to the calls)
- If there is missed call notification on the phone, what is the opening rate
- what is the time spent on the app after the call? ( this is important bcz I want users to be engaged with the app)
- how many ppl who made the video call clicked, saved, put the comments to the adds?
- How many people after the call purchased the products through Instagram? ( conversion rate)
- How many people blocked by the others after getting the video call? ( and their reports/ complaints)
MVP of metrics:
I would start with how many active users are getting the call and answer them. After the call, how long do they stay on the app. Then the other metrics can come next since my main target is to increase the retention rate
Instagram is launching video calling. How would you test and measure the success of it?
Goal
Improved User experience (Engagement time)
Increase adoption / repeat usage (retention)
Assumption - Since, instagram is a free product (goal is not monetization). Hence, not focussing on it.
Engagement
# of video calls made per day
% of sessions w/ video calls made
Average time spent on video call
Adoption
Unique daily users making 1 video calls / DAU%
Avg. calls per day = Total calls per day / DAU
Retention
Frequency clustering - # of video calls made in a week
0-1
1-3
3-5
5-10
10+
7. Weekly retention cohort - users who made call on 1st day, made call on 2nd, 3rd, 4th and so on to the next day.
North Metrics: 1, 3, 6
Counter Metrics - video calls per day can increase (for a while) as user want to try the product or due to patchy network and user making multiple video calls in patch.
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