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Show HN: Hideout – to explore the cold-start problem

https://joinhideout.vercel.app/
1•hito20•2h ago
Hi HN,

I’m building Hideout, a small web-based chat app inspired by Discord-style rooms, but stripped down to the minimum.

I started this project because I was curious about one specific problem: how do you make a real-time chat app feel alive with very few users?

Right now:

Hideout has ~35 users

One main room

Text chat only

No moderation tools, bots, or servers to configure

The app is intentionally simple. When someone joins, they’re dropped directly into the active room so conversations aren’t fragmented.

The hardest issue so far has been the cold start problem — users joining at different times and finding empty rooms. I’m experimenting with:

activity concentration (one room)

time-based prompts

system messages that encourage interaction

This is very early and not polished, but it’s usable today.

I’m mainly looking for:

feedback on the experience

thoughts on approaches to early community formation

ideas for making small real-time apps feel social before scale

I’ll be around to answer questions and discuss what I’ve learned so far.

Thanks!

If I Were CEO of OpenAI

https://zero2data.substack.com/p/if-i-were-ceo-of-openai
1•wj•1m ago•0 comments

TIL: Restarting systemd services on sustained CPU abuse

https://taoofmac.com/space/til/2025/12/28/1400
3•rcarmo•12m ago•0 comments

Long-Term Changes in Ventricular Function in Recreational Marathon Runners

https://jamanetwork.com/journals/jamacardiology/article-abstract/2842747
2•canucker2016•12m ago•1 comments

L'Architecte Numérique

https://michelfotsing.substack.com/
2•mfotsing•13m ago•0 comments

Brazil's governance style leads to controversial impacts

https://news.mongabay.com/2025/11/brazils-governance-style-leads-to-controversial-impacts/
2•PaulHoule•15m ago•0 comments

Show HN: Gemini Watermark Remover – A web tool using reverse alpha blending

https://re.easynote.cc/
2•h2bomb•17m ago•1 comments

When A.I. Took My Job, I Bought a Chain Saw

https://www.nytimes.com/2025/12/28/opinion/artificial-intelligence-jobs.html
1•tkgally•19m ago•0 comments

Eggs and Heart Health

https://www.victorchang.edu.au/blog/eggs-heart-health
1•aldarion•20m ago•0 comments

Show HN: Open-Source WhatsApp Sales Agent (Node.js, SQLite, OpenAI Calling)

https://github.com/bibinprathap/whatsapp-chatbot
1•Bibinprathap•21m ago•1 comments

The Hottest High Schools in Massachusetts Are Trade Schools

https://www.wsj.com/us-news/education/massachusetts-trade-high-school-popularity-effc9513
1•impish9208•26m ago•1 comments

Show HN: An AI eval based on a silly joke from an underrepresented language

https://kapuskonda.vercel.app/eval
1•ad--astra•30m ago•0 comments

Scaling Limits in Distributed Multi-Agent Systems

https://zenodo.org/records/18075563
1•ts1601•31m ago•1 comments

Andrej Karpathy: I've never felt this much behind as a programmer

https://xcancel.com/karpathy/status/2004607146781278521#m
1•_____k•35m ago•1 comments

Recreating the Bell Labs Switch Experiment with Agents

https://cianfrani.dev/posts/12-switches/
1•ghuntley•35m ago•0 comments

Show HN: Word-GPT-Plus – Integrate AI and Agent Directly into Word

https://github.com/Kuingsmile/word-GPT-Plus
2•kuingsmile•35m ago•0 comments

Google allowing users to change their Gmail address, per official Google support

https://www.tomshardware.com/software/google-workspace/google-is-allowing-users-to-change-their-g...
1•pseudolus•35m ago•0 comments

How Not to Translate a Videogame (2025 ver.)

https://ryandavis.io/how-not-to-translate-a-videogame-2025-ver/
1•ghuntley•36m ago•0 comments

A 1 Percent Solution to the Looming A.I. Job Apocalypse – Sal Khan

https://www.nytimes.com/2025/12/27/opinion/artificial-intelligence-jobs-worker-training.html
4•pseudolus•39m ago•1 comments

Suicide warnings and 243 mentions of hanging: What ChatGPT said to suicidal teen

https://www.washingtonpost.com/technology/2025/12/27/chatgpt-suicide-openai-raine/
2•thinkingemote•41m ago•0 comments

Charlie Munger avoided self pity

https://mannhowie.com/dont-be-a-victim
1•elephant_burger•41m ago•0 comments

New Guineans, Aboriginal Australians descend from 2 groups arrived 60K years ago

https://phys.org/news/2025-12-guineans-aboriginal-australians-descend-groups.html
1•pseudolus•42m ago•0 comments

Show HN: minfern – Type inference for JavaScript without transpilation

https://github.com/sinelaw/minfern
1•_sinelaw_•46m ago•0 comments

Robots Are Just Microservices with Wheels

https://thomasthelliez.com/blog/robots-are-just-microservices-with-wheels/
2•thomasthelliez•47m ago•1 comments

Boris Cherny on X: "When I created Claude Code as a side project back in 2024 "

https://twitter.com/bcherny/status/2004887829252317325
1•hboon•51m ago•0 comments

Wooden compass with single red arrow leads people with dementia to their homes

https://www.designboom.com/technology/wooden-compass-single-red-arrow-leads-people-with-dementia-...
1•geox•51m ago•0 comments

OnlyFans search engine (keyword and image search) – looking for feedback

https://explore.fans
1•mysaasidea•52m ago•1 comments

A super fast website using Cloudflare workers

https://crazyfast.website
3•kilroy123•54m ago•0 comments

XTerm Control Sequences [pdf]

https://invisible-island.net/xterm/ctlseqs/ctlseqs.pdf
3•fanf2•54m ago•0 comments

How Costco Makes Money

https://mannhowie.com/how-costo-makes-money
2•elephant_burger•57m ago•0 comments

Show HN: Databasus – open-source backup tool for PostgreSQL, MySQL and MongoDB

https://databasus.com
4•rostislav_dugin•57m ago•0 comments