Zero Japan-Born Apps Among the World’s Hit Social Networks — 5ch Debates the Origins of TikTok and LINE

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The story

TikTok has its roots in China, and LINE traces back to a Korean company — a 5ch thread pointed out that almost none of the world’s major social networks originated in Japan. Posters discussed the existence of China’s video app Kwai (Kuaishou) and how LINE was modeled on South Korea’s KakaoTalk. Sparked by the question “has Japan produced any globally successful social network in the past decade?”, the thread turned into a debate about the state of Japan’s content industry.

What people said

1AnonymousAug 21, 2026 16:08
Isn't Japan just really bad at making content?
17AnonymousAug 21, 2026 16:15
Whatever happened to that thing where Hiroyuki and them were going to make an SNS?
There was talk of him doing it together with Gackt and others, right?
42AnonymousAug 21, 2026 16:37
Re: #17
Pretty sure they pulled out
I think they already said it flopped
58AnonymousAug 21, 2026 16:48
Re: #17
They did make a mixi knockoff once
18AnonymousAug 21, 2026 16:15
Wait, LINE is Korean?
28AnonymousAug 21, 2026 16:23
Re: #18
To be precise, it was made by the Japanese subsidiary of a Korean company
There's no LINE in Korea itself
But LINE is itself a knockoff of another Korean company's app, KakaoTalk, so it's Korean-rooted either way
34AnonymousAug 21, 2026 16:27
Re: #28
LINE actually did exist in Korea, but there were suspicions people's chats and personal info were being monitored, so everyone moved over to KakaoTalk
44AnonymousAug 21, 2026 16:40
Re: #28
Huh? LINE shows up all the time in Korean dramas though
24AnonymousAug 21, 2026 16:21
TikTok's just the famous one — China's had a bunch of video social networks for way longer
36AnonymousAug 21, 2026 16:28
Re: #24
Kwai has an insane number of users but it's completely unknown in Japan
It's like the best parts of TikTok and Niconico combined, pretty handy
And best of all there's tons of local video posted by users from rural areas, it's fun
50AnonymousAug 21, 2026 16:42
Re: #36
I installed Kwai and used to watch it back in the day
This was before TikTok came to Japan, so it must've been around 2017
I remember thinking, wow, China's got some amazing social networks
33AnonymousAug 21, 2026 16:25
🇺🇸Facebook → graciously borrowing America's
🇺🇸Instagram → graciously borrowing America's
🇺🇸Twitter → graciously borrowing America's
🇺🇸YouTube → graciously borrowing America's
🇺🇸ZOOM → graciously borrowing America's
🇺🇸WhatsApp → graciously borrowing America's
🇰🇷LINE → graciously borrowing Korea's
🇨🇳Douyin (TikTok) → graciously borrowing China's
🇨🇳Xiaohongshu (RED) → graciously borrowing China's
🇨🇳Kuaishou (Kwai) → graciously borrowing China's
🇨🇳Weibo → graciously borrowing China's
🇨🇳WeChat → graciously borrowing China's
🇷🇺Telegram → graciously borrowing Russia's

So what about Japan?
What SNS has Japan made a worldwide hit in the past 10 years?
39AnonymousAug 21, 2026 16:34
Re: #33
We don't have one, but they let us use theirs for free, so who cares
49AnonymousAug 21, 2026 16:42
Re: #33
Did you really need to force Russia into that list?
56AnonymousAug 21, 2026 16:47
Re: #33
Don't throw in random Chinese apps nobody's heard of
45AnonymousAug 21, 2026 16:40
In Japan a post only gets like 10,000 likes tops,
but I've seen Chinese SNS posts with over 100 million likes
67AnonymousAug 21, 2026 16:53
Feel bad for people who only use Japanese social media
I think they're missing out on 90% of life
Nothing but boring posts and hate
75AnonymousAug 21, 2026 16:58
Re: #67
What even is "Japanese social media"?
X, Instagram, TikTok — none of them were made by Japan lol
76AnonymousAug 21, 2026 16:58
A lot of Japanese companies chose to scatter their content across every existing platform and sell broadly, rather than building and running their own platform
79AnonymousAug 21, 2026 16:59
Re: #76
Even though it only appeals to Japanese people?
86AnonymousAug 21, 2026 17:04
Re: #50
It's great for killing time
There are so insanely many users you never get bored
Even farmer uncles and folks who'd never stream in Japan are posting videos — all ages, all walks of life
91AnonymousAug 21, 2026 17:10
Re: #86
The problem with Chinese SNS is the content quality is way too low even if the quantity's huge
It's like filling up on mediocre fast food
If that's the case you're better off watching original, high-quality content on Instagram or YouTube — it sharpens your sensibilities more
87AnonymousAug 21, 2026 17:04
We're losing on batteries too
88AnonymousAug 21, 2026 17:05
"Most Trusted Country" ranking
https://www.asahi.com/sp/articles/ASV3F3WLTV3FUTFK00KM.html

#1 🇨🇳China
…
#3 🇯🇵Japan




Times are changing and there's no stopping it — Japan is in decline
90AnonymousAug 21, 2026 17:09
Japan: the country where even liberal-arts grads who barely speak English can land jobs at big corporations
95AnonymousAug 21, 2026 17:12
Re: #90
Bashing Japan with stuff that's totally off-topic for this thread seems kind of dumb honestly, let's keep it a bit more intelligent and constructive
94AnonymousAug 21, 2026 17:12
Re: #74
Whenever some viral security-camera footage shows up it turns into a meme and everyone posts copycat versions
Well, I think that happens in every country though
Personally I like watching cooking videos and stuff about ethnic minorities' daily lives, so I don't really notice that
I think it depends on what kind of content you're watching
105AnonymousAug 21, 2026 17:16
Re: #94
Fair point — now that you mention it, posts about Chinese traditional crafts are seriously fun to watch
You can really tell that far more young people there value their country's traditions than young Japanese people do
97AnonymousAug 21, 2026 17:13
Rakuten Viber actually has more users worldwide than LINE,
but for some reason it's a half-hearted messaging app even in Japan, Rakuten's own home turf
109AnonymousAug 21, 2026 17:19
Re: #97
Japan probably just can't handle a scale of 3 billion users

Background and Key Points

TikTok’s operator ByteDance is Chinese, and TikTok’s own predecessor, Musical.ly, was acquired and merged into Douyin’s parent company; LINE, meanwhile, is run by Japan’s LINE Corporation but its majority backing traces to Naver, the South Korean firm behind KakaoTalk’s rival portal — LINE launched in 2011 as a response to the Tohoku earthquake’s communication blackouts and became Japan’s dominant messaging app, but its capital and design lineage sit outside Japan. Japan’s own homegrown attempts — mixi (2004), which briefly dominated domestic social networking before Facebook and Twitter took over, or GREE and Mobage’s mobile social-gaming platforms — never scaled internationally the way TikTok, WeChat, or KakaoTalk did. Kwai (Kuaishou), mentioned in the thread, is a Chinese short-video platform with several hundred million daily users that predates TikTok domestically but remains largely unknown outside Asia.

The thread’s actual disagreement isn’t over the underlying fact — nobody disputes that Japan lacks a homegrown global platform — but over whether that matters. Some posters treat it as evidence of Japanese content industry decline, while others argue Japan simply chose a different, arguably rational strategy: distributing content across foreign-built platforms (X, Instagram, YouTube, TikTok) rather than sinking resources into building and maintaining its own, and that free access to others’ infrastructure is a fine trade-off rather than a failure.

What’s likely to get lost on non-Japanese readers is the LINE/KakaoTalk relationship posters allude to: LINE was developed in Japan by engineers connected to Naver’s Korean operations after Naver’s own Japanese search product failed, and it never actually launched as a consumer service in South Korea itself, which is why one poster’s claim of it being pulled from Korea over surveillance concerns is a common but imprecise oversimplification of a more mundane market decision.

※This article is compiled from excerpts and a summary of the 5ch (Nandemo Jikkyo G) thread “China: “TikTok,” Korea: “LINE,” Japan: “Grrr…”“.

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