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Introduction Keumryong Kim Keumryong has worked at LINE for 7 years as a product manager. He is currently responsible for planning and managing VoIP projects. His interests include technology, self-improvement and functional product design. He enjoys spending time with his wife and 5-year-old son, Wooju.

Video call evolution through COVID-19 Video call is transforming into a platform that enables various offline activities such as parties, classes, and collaborations to be connected online Birthday party on video call using virtual background

Agenda › Changes in the usage pattern of video calls › Expanding the role of video calling › What should we solve › LINE VoIP goals

Group call count increased by 2.5 times Before and after the state of emergency, the count of LINE group calls increased by around 2.5 times, users participating in group calls doubled (February-May 2020) Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Active User Group Call Count The state of emergency

Changes in usage of group video calls Around the peak of Covid-19 (May 2020), there was a particularly big change in group video calls. Returning user within 1 month 2x Video call duration increase 10x Users over the age of 20 3x

Changes in video call time Group video calls, which were mainly used at night, changed to a pattern of increasing usage from morning. 20-Feb 20-May Day 40% Night 60% Day 50% Night 50%

Video calling is expanding its role from a communication tool to a platform where all activities can be performed remotely. Expanding the role of video call Remote activity platform Communication tools Online party Online class Live Lesson Telemedicine Online live together Online study room …. 1:1 conversation Group conversation Business meeting Cooperative game

Growing popularity of online party (with alcohol) Due to COVID-19, the trend of having a drink remotely through group video calls is popular https://magazine.asahi-shuzo.co.jp/experience/59 https://cancam.jp/archives/868635 Who and why? - Mainly friends in their 20s - Closes physical distance between friends - Reduces financial burden of drinking - Facial effects and virtual background add to fun

Live lessons that save time and money Studying or exercising with other members at home through group video call at low cost. https://trinity-yoga-aroma.com/news/schedule/ https://www.chankome.com/entry/online-yoga/2020 From fitness to education - From professional yoga channels such as Olulu, SOELU, and YOGATIVE to privately operated classes, remote yoga classes are popular using group video calls. - Various fitness and language classes are in progress through group video calls.

Online study room that replaces offline study room Online study room using group video call provides higher efficiency than offline study room Benefits - The reason for using it is that it saves travel time to the study room and encouraging each other. - Students use their phone for the video call, they are unable to use them while studying https://moshibenben.com/online-jishuushitsu/

Will this trend continue after COVID-19? This is not a temporary phenomenon, these trends was already growing before COVID-19 Online live together 2018.2 Online study room 2017.3 Online drinking 2018.10 https://citrus-net.jp/article/50522 https://flets-w.com/chienetta/list/2018/10/nrt_online-drinking-party.html http://juken-support.hatenablog.com/entry/tuuwabennkyou

What should we solve 3 problems from the perspective of VoIP product manager › Inappropriate features, usability, and call performance on desktop › Inconvenient accessibility of group calls (requires group creation, LINE friend relationship, etc.) › User experience is not optimized for remote activities

Remove appearance of call Reduce the psychological burden of long calls, participation and leave, call appearance are removed List view for easier understanding of participation status and microphone status Group call old version Group call new version

See more friends on one screen The number of group call participants is increasing to 500, and the boundary between group call and live is disappearing. Increased user video displayed on one screen from 4 to 6 and viewing up to 500 user videos while swiping pages Group call old version Group call new version

Connect life through Watch Together Watch sports or performances together using “Watch YouTube Together” Shopping or sharing gameplay together using “Share mobile screen” Watch Youtube together on video call Watch Youtube together on voice call Share mobile screen on video call

20% of group video call users use Watch Together Watch YouTube Together is used for various purposes such as watching music videos with fan clubs and friends, Online video viewing session, and online live concert. Watching music video/concert with friends Online video viewing session Online live concert via YouTube https://twitter.com/sayappyyy/status/1257707444186144769?s=20 Https://twitter.com/tasu44/status/1293466185854459904?s=20 https://twitter.com/katapatto_/status/1264094975278477313?s=20

New Desktop Video Call Share your PC screen with HD quality, Display up to 49 people on one screen, Watch YouTube Together Virtual background that can change the video call background to a custom images, Face effects. Screen Share / Watch YouTube together Virtual Background / Face Effects / Filter Chat room message view in call Easy microphone and camera setup Automatically switch view to speaker

LINE Meeting that anyone can join by URL Group video call that can be joined through URL(up to 500 people), no need to create a group, users who are not LINE friends can participate Meeting list Meeting screen Preview/Camera settings Meeting screen for Desktop

1:1 Voice Call/Video Call with improved UX New Call UX and YouTube sharing, screen sharing, avatar, and virtual background for 1:1 video calls 1:1 voice call new version Provide virtual background list Watch YouTube together Screen Share

Evolution of LINE Video Call Major updates of LINE Video Call in 2020 2020.8 LINE Meeting with URL participation 2020.4 iOS/Android OS Group call with new UX 2020.9 Desktop Video Call Performance/UX improvement 2020.5 Watch YouTube together Share mobile screen 2020.3 Screen Share for Desktop Call Doodle collaboration Interpreter channel 2020.12 1:1 call redesign and expansion 2021.1

Goals Goals of LINE video call from a service perspective › Evolving into a remote activity platform, narrowing the gap between offline and online experiences › Extend LINE's strengths to video calls (stickers, text communication, and avatars).

› Stickers used in chat rooms are also used in video calls › Text chat without voice on the video call screen LINE stickers and text chat on video calls

› Stickers used in chat rooms are also used in video calls › Text chat without voice on the video call screen LINE stickers and text chat on video calls

› Avatar that resembles users is used in video calls › Communication of facial expressions even when the camera is off Facial expressions through avatars

› Avatar that resembles users is used in video calls › Communication of facial expressions even when the camera is off Facial expressions through avatars

› Various events such as birthday party, Halloween party, New Year party with fun effects › Listening to party music with friends Events such as birthday parties remotely

› Various events such as birthday party, Halloween party, New Year party with fun effects › Listening to party music with friends Events such as birthday parties remotely

› Doodle collaboration › Interpreter channel › Make LINE meeting accessible to minors Enhanced remote collaboration

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