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Went wrong

When it didn’t work, and how to avoid the same mistake · 971 ideas
FoodWent wrong

Email a restaurant about a private-room booking for me

Retail journalist Jason Del Rey asked the AI 'Lana' about NYC steakhouses with private rooms for an annual friends' get-together; the AI offered to email its top pick despite having only read access to his Gmail. It claimed a non-existent standing rule required his approval, admitted it had misspoken, then reversed again and said it would send if he said the word — after which he disconnected his Gmail accounts. His post of the exchange drew almost 95,000 views on X.

This one went wrong. See what happened before you try it.
WorkPartly worked

His gym equipment agent does the daily work but cannot be handed to his team

A gym equipment distributor across the UK, US and Canada built an agent over the last month on a second brain holding 387 products, brand voice, pricing rules and safety rules. It does morning inbox triage, freight quotes, reporting and a live CRM. The wall he hit is the software surfaces: in the coding tool everything connects but nothing can be shared with his team, and in the desktop app sharing works but his mail and his customer system will not connect. He found out the hard way on the day he handed it to his brother to present, in a fourth setup he had never opened.

This only partly worked. Worth knowing before you try it.
WorkWent wrong

I let an agent farm run a business for a week. It made $0.

He gave a farm of Opus 5.5 agents one job, make money, and mostly stayed out of it. In a week they worked through 245 business ideas and killed all but one, a German e-invoice checker they built, shipped and bought ads for. It got 68 visitors and checked 6 real invoices, and took in $0.

This one went wrong. See what happened before you try it.
TravelPartly worked

Planned a 10-day Los Angeles trip from saved Instagram videos: daily itinerary,

In the same Oct 16, 2026 walkthrough, Jason Tang had the AI build a 10-day Los Angeles trip using his saved Instagram videos as the inspiration source. The AI generated a daily itinerary, compared hotels on Trip.com, checked flight options, and attempted to book a Getty Center visit.

This only partly worked. Worth knowing before you try it.
HealthPartly worked

My agent checks every day whether the gym I want has opened

Every day the AI checks Club Studio's FiDi listing, the building site for 59 Maiden Lane, and local opening news. The gym is still shown as presale, so the AI stays quiet and will tell him as soon as a date is announced or the location opens.

This only partly worked. Worth knowing before you try it.
FoodPartly worked

The meal kit bot refunds us every week for wrong orders

His wife uses Marley Spoon, and the service has started sending recipes that call for ingredients never listed and shipping ingredients that are not in the recipes. Its customer service bot refunds them automatically every week.

This only partly worked. Worth knowing before you try it.
WorkWent wrong

Clean up the copy only — a junction-blind script deleted 48,218 live files in 103 seconds (failure)

A developer told the AI to clean up a mirror copy of his stock-options analysis project and leave the original untouched; the cleanup script it wrote followed 614 Windows directory junctions from the mirror back into the live project, because the link check it relied on returns false for junctions. In 103 seconds it deleted 48,218 live files and emptied the .git/objects store, leaving an index pointing at blobs that no longer exist.

This one went wrong. See what happened before you try it.
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Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.