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← With implementation cheap, deciding what to build is the hard question in software, not how to build it.
17 connected korrents · 17 moments from 18 Sept 2025 to 23 Sept 2026.
Everything filed under developer tools
developer tools
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LLMs
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software quality
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Everything filed under design
design Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: With implementation cheap, deciding what to build is the hard question in software, not how to build it. With implementation cheap, deciding what to build is the hard question in software, not how to build it. Last stated 7 months ago
13 Apr 2026
MA
Maggie Appleton — holds since 2026-04-13 — tap for who they are
Same subject: Cheap building will not mean making the same amount of software faster; it will mean making way more software. — tap to centre the map on it Cheap building will not mean making the same amount of software faster; it will mean making way more software. Last stated a month ago
23 Sept 2026
GT
Geoff Teehan — holds since 2026-09-23 — tap for who they are
Same subject: The hard question is no longer how to build something but what to build, because anything already described can be replicated. — tap to centre the map on it The hard question is no longer how to build something but what to build, because anything already described can be replicated. Last stated 7 months ago
29 Mar 2026
CH
Chip Huyen — holds since 2026-03-29 — tap for who they are
Same subject: AI has shown that the bottleneck was never engineers but the quality of thinking about what to build. — tap to centre the map on it AI has shown that the bottleneck was never engineers but the quality of thinking about what to build. Last stated 5 months ago
11 Jun 2026
CI
Christine Itwaru — holds since 2026-06-11 — tap for who they are
Same subject: You can build anything now, but not everything is worth building; what matters is whether ideas take a shape somebody else would want to use. — tap to centre the map on it You can build anything now, but not everything is worth building; what matters is whether ideas take a shape somebody else would want to use. Last stated 2 months ago
25 Aug 2026
JB
John Bai — holds since 2026-08-25 — tap for who they are
Same subject: Software is going through a fast-fashion phase where projects are thrown away if nobody uses them at once; builders should have conviction and work on things longer. — tap to centre the map on it Software is going through a fast-fashion phase where projects are thrown away if nobody uses them at once; builders should have conviction and work on things longer. Last stated 5 months ago
12 Jun 2026
BV
Ben Vinegar — holds since 2026-06-12 — tap for who they are
Same subject: Even as AI collapses build time, testing an idea is still cheaper and faster than building it. — tap to centre the map on it Even as AI collapses build time, testing an idea is still cheaper and faster than building it. Last stated 4 months ago
4 Jul 2026
CW
Christina Wodtke — holds since 2026-07-04 — tap for who they are
Same subject: Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive. — tap to centre the map on it Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive. Last stated 2 months ago
26 Aug 2026
DH
David Heinemeier Hansson — holds since 2026-08-26 — tap for who they are
Same subject: Coding agents made implementation cheap without making roadmaps shorter or software better -- the binding constraint was never how fast code gets written. — tap to centre the map on it Coding agents made implementation cheap without making roadmaps shorter or software better -- the binding constraint was never how fast code gets written. Last stated 3 months ago
14 Aug 2026
SP
Sunil Pai — holds since 2026-08-14 — tap for who they are
Same subject: A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. — tap to centre the map on it A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. Last stated 6 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. — tap to centre the map on it A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. Last stated a year ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — tap for who they are
Same subject: A new API framework that ignores how existing apps were historically built undermines its own introduction — tap to centre the map on it A new API framework that ignores how existing apps were historically built undermines its own introduction Last stated 2 months ago
31 Aug 2026
CH
Craig Hockenberry — holds since 2026-08-31 — tap for who they are
Same subject: 95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away. — tap to centre the map on it 95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away. Last stated a month ago
23 Sept 2026
GT
Geoff Teehan — holds since 2026-09-23 — tap for who they are
Same subject: A feature added to a codebase is extremely difficult to remove once other code is built on top of it. — tap to centre the map on it A feature added to a codebase is extremely difficult to remove once other code is built on top of it. Last stated 2 months ago
1 Sept 2026
VB
Vicki Boykis — holds since 2026-09-01 — tap for who they are
Same subject: A feature shipped in a product's official release is fair to judge, regardless of whether the company labels it a beta. — tap to centre the map on it A feature shipped in a product's official release is fair to judge, regardless of whether the company labels it a beta. Last stated 2 months ago
14 Sept 2026
JS
Jason Snell — holds since 2026-09-14 — tap for who they are
Same subject: A badly written AI outbound email is evidence of a bad vendor, not of a limit of AI. — tap to centre the map on it A badly written AI outbound email is evidence of a bad vendor, not of a limit of AI. Last stated 10 months ago
1 Jan 2026
JL
Jason Lemkin — holds since 2026-01-01 — tap for who they are
Same subject: A bigger context window does not give you a smarter model; the intelligence of the model is what decides how much of that window it can actually attend to. — tap to centre the map on it A bigger context window does not give you a smarter model; the intelligence of the model is what decides how much of that window it can actually attend to. Last stated 4 months ago
15 Jul 2026
DH
Dex Horthy — holds since 2026-07-15 — tap for who they are
Same subject: A body of publications is easy for AI models to consume via pretraining corpora but cumbersome for most humans due to CAPTCHAs, accounts, and paywalls. — tap to centre the map on it A body of publications is easy for AI models to consume via pretraining corpora but cumbersome for most humans due to CAPTCHAs, accounts, and paywalls. Last stated a month ago
17 Sept 2026
PC
Patrick Collison — holds since 2026-09-17 — tap for who they are
At the centre
With implementation cheap, deciding what to build is the hard question in software, not how to build it.
Holds Read this korrent →
Cheap building will not mean making the same amount of software faster; it will mean making way more software.
Holds
The hard question is no longer how to build something but what to build, because anything already described can be replicated.
Holds
AI has shown that the bottleneck was never engineers but the quality of thinking about what to build.
Holds
You can build anything now, but not everything is worth building; what matters is whether ideas take a shape somebody else would want to use.
Holds
Software is going through a fast-fashion phase where projects are thrown away if nobody uses them at once; builders should have conviction and work on things longer.
Holds
Even as AI collapses build time, testing an idea is still cheaper and faster than building it.
Holds
Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive.
Holds
Coding agents made implementation cheap without making roadmaps shorter or software better -- the binding constraint was never how fast code gets written.
Holds
A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Holds
A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.
Holds
A new API framework that ignores how existing apps were historically built undermines its own introduction
Holds
95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away.
Holds
A feature added to a codebase is extremely difficult to remove once other code is built on top of it.
Holds
A feature shipped in a product's official release is fair to judge, regardless of whether the company labels it a beta.
Holds
A badly written AI outbound email is evidence of a bad vendor, not of a limit of AI.
Holds
A bigger context window does not give you a smarter model; the intelligence of the model is what decides how much of that window it can actually attend to.
Holds
A body of publications is easy for AI models to consume via pretraining corpora but cumbersome for most humans due to CAPTCHAs, accounts, and paywalls.
Holds