Members read every story in the archive, re-verified. Sources and corrections stay open to everyone.
What the pen marks mean
rememberThe takeaway: what to remember
figureThe number that matters
evidenceThe evidence line
rulingThe ruling
claimThe claim that fails
Each mark is drawn once, as you reach it. Numbers are only circled when they come from the story’s own figures.
01 / ProductsTrue, butMembers
GitHub's famous number says Copilot users finished a task 55% faster. A Harvard paper tracking 718 firms finds AI agents raised lines of code 30%, while finished work showed no statistically significant change.
GitHub, research blog post (7 Sep 2022); tested at firm level in a Harvard working paper (current version 4 Aug 2026) ·
AI illustration
GitHub's 2022 post says developers using Copilot finished a task 55% faster.
Members · 30 days free
See what the evidence actually shows.
Members read the full check on every story: what the evidence shows, why it matters to you and the one line to take with you. Every past edition, re-verified, and the Receipts Pack come with it. A$89 a year, about A$0.24 a day.
At sign-up: 30 days free. Payment card required. One introductory trial per customer.
Your trial ends 30 days after you start. Unless you cancel before then in Account → Manage subscription, we charge A$89 for the first year. It renews automatically at A$89/yr until cancelled.
You can ask for a full refund within 14 days after any annual payment, renewals included, with no reason needed, by emailing [email protected]. This voluntary refund does not limit your rights under the Australian Consumer Law.
A solo developer rebuilt Word, Excel and PowerPoint with Claude, the post says. The WordCraft README says it is about 60% of the way to replacing Word for real work, and the spreadsheet app says 50%.
Viral post trending on tech forums; apps published by ArtCraft (Brandon Thomas) on GitHub, 7 Oct 2026 ·
AI illustration
A solo developer rebuilt Word, Excel and PowerPoint as free open-source apps using Claude.
Members · 30 days free
See what the evidence actually shows.
Members read the full check on every story: what the evidence shows, why it matters to you and the one line to take with you. Every past edition, re-verified, and the Receipts Pack come with it. A$89 a year, about A$0.24 a day.
At sign-up: 30 days free. Payment card required. One introductory trial per customer.
Your trial ends 30 days after you start. Unless you cancel before then in Account → Manage subscription, we charge A$89 for the first year. It renews automatically at A$89/yr until cancelled.
You can ask for a full refund within 14 days after any annual payment, renewals included, with no reason needed, by emailing [email protected]. This voluntary refund does not limit your rights under the Australian Consumer Law.
Ten minutes of AI erodes your ability to persist, Berkeley's headline says. The study measured skipped problems on a paid online task, three test problems each, and its largest trial found the skip gap was not significant.
Berkeley News (UC Berkeley), headline on a 9 Oct 2026 story about an arXiv preprint; reached the Hacker News front page ·
AI illustration
Berkeley News headlined that using AI for just 10 minutes erodes your ability to persist at hard things.
Members · 30 days free
See what the evidence actually shows.
Members read the full check on every story: what the evidence shows, why it matters to you and the one line to take with you. Every past edition, re-verified, and the Receipts Pack come with it. A$89 a year, about A$0.24 a day.
At sign-up: 30 days free. Payment card required. One introductory trial per customer.
Your trial ends 30 days after you start. Unless you cancel before then in Account → Manage subscription, we charge A$89 for the first year. It renews automatically at A$89/yr until cancelled.
You can ask for a full refund within 14 days after any annual payment, renewals included, with no reason needed, by emailing [email protected]. This voluntary refund does not limit your rights under the Australian Consumer Law.
we find that although AI assistance improves performance in the short-term, people perform significantly worse without AI and are more likely to give up
Reading estimate: 541 words at 200 words per minute. Source quotes and the optional sections below add reading time.
Get tomorrow's check in your inbox.
One AI claim a night, checked against independent sources, receipts attached. Free.
At sign-up: 30 days free. Payment card required. One introductory trial per customer.
Your trial ends 30 days after you start. Unless you cancel before then in Account → Manage subscription, we charge A$89 for the first year. It renews automatically at A$89/yr until cancelled.
You can ask for a full refund within 14 days after any annual payment, renewals included, with no reason needed, by emailing [email protected]. This voluntary refund does not limit your rights under the Australian Consumer Law.
