PLAY OF THE DAY · 01HIGH URGENCY · 24h

Copilot
Boundary
Receipt

a private-file exposure report for Microsoft 365 and coding-assistant teams that shows which documents, repos, and prompt files an AI coworker can read or quote before a rollout, backed by the Copilot Cowork leak report, a 450% search rise for agent data-access fights, and fresh launch-market demand for context-control products. → See full breakdown in the Action section below.

What today means for you — depends on who you are.

3 ROLES · read by role

This year your sales page answers not "how smart" — but "can the system prove what happened".

Buyers have lost patience with default promises. If your hero still leads with "AI-powered", competitors are already writing "we can show you receipts".

This week is for selling "narrow receipts" — ID safety, contest integrity, generated-content policy, CSS migration, agent permissions.

Ship small reports that turn vague AI risk into file lists, owners, permissions, and first fixes.

Today's interesting story isn't whether AI is impressive — it's whether everyday software can still prove what happened.

Watch the boundary between helpful AI assistants and private data; that boundary is where the next fights happen.

Part One · Today's Plays

4-7 plays · every play has signal + impact + your move + counterview · 5 min

动作GH + PH · 14 comments

SIGNAL STRENGTH

URGENCY

SIGNAL

What solo-founder products launched today

Fresh launches include Geomatic with 14 comments, gobee with 29, OpenBrief, tldx, MashuPack, Tiny CV, and Indie Hackers' open-source PII masking layer.

IMPACT · what this means for AI founders

In plain English: Small products won attention when they made one hidden job visible without asking users to trust a whole platform.

YOUR MOVE

Ship the boundary view first: what file, domain, prompt, device, or private field is touched, and who should approve it.

COUNTERVIEW

Launch comments are thin outside a few winners, so a polished demo can still look stronger than its actual market.

KEYWORDS In plain English:

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Part Two · The Build

2-hour build + why-pick rejection card · why we didn't pick the others

FEATURED BUILD · from the PLAY OF THE DAY