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Hi everyone — I’m Clark, creator of Keeps, a way to send physical postcards that play your voice with a quick QR code scan.

WHAT IT IS Upload a photo (or pick from Unsplash), write a message, optionally add a 60 second voice note, and send a 4×6 postcard. QR code printed on the postcard links to a “digital card” that plays the audio. $5 flat, printing + postage included. No account required.

WHY I BUILT IT I love mailing postcards to my family but hate it's a hassle (finding card, buying

Article URL: https://www.arxiv.org/pdf/2508.06471

Comments URL: https://news.ycombinator.com/item?id=44871337

Points: 53

# Comments: 5

https://www.arxiv.org/pdf/2508.06471

Article URL: https://typo.social/@Hilary/114845913381245488

Comments URL: https://news.ycombinator.com/item?id=44871817

Points: 4

# Comments: 0

https://typo.social/@Hilary/114845913381245488

It requires no registration, no installation, and no configuration. Just run it on any computer and start drawing freely.

Comments URL: https://news.ycombinator.com/item?id=44870137

Points: 28

# Comments: 7

https://github.com/danterolle/tilf

Article URL: https://www.rnz.co.nz/news/sport/569695/mouthguards-that-flash-red-with-head-impacts-to-be-used-at-rugby-world-cup

Comments URL: https://news.ycombinator.com/item?id=44870332

Points: 23

# Comments: 7

https://www.rnz.co.nz/news/sport/569695/mouthguards-that-flash-red-w

Article URL: https://www.bbc.com/news/articles/ckglnk6yxlko

Comments URL: https://news.ycombinator.com/item?id=44870679

Points: 21

# Comments: 11

https://www.bbc.com/news/articles/ckglnk6yxlko

Article URL: https://www.niemanlab.org/2025/08/japans-largest-newspaper-yomiuri-shimbun-sues-perplexity-for-copyright-violations/

Comments URL: https://news.ycombinator.com/item?id=44870895

Points: 14

# Comments: 2

https://www.niemanlab.org/2025/08/japans-largest-newspaper-yomiu

Article URL: https://github.com/ollama/ollama/issues/11714

Comments URL: https://news.ycombinator.com/item?id=44867238

Points: 42

# Comments: 18

https://github.com/ollama/ollama/issues/11714

Article URL: https://twitter.com/KeithSakata/status/1954884361695719474

Comments URL: https://news.ycombinator.com/item?id=44869323

Points: 95

# Comments: 56

https://twitter.com/KeithSakata/status/1954884361695719474

Article URL: https://planetscale.com/blog/announcing-neki

Comments URL: https://news.ycombinator.com/item?id=44867374

Points: 47

# Comments: 2

https://planetscale.com/blog/announcing-neki