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Jobs, side gigs and small business · 1,668 ideas

He had LLMs rewrite his Python science code in Rust and it now answers instantly

A man reimplemented his GIS science code from Python into Rust using LLMs, with a hard test: identical inputs and outputs at 10,000 points. Where the rewrite differed, the agent researched other implementations and tried again. The result runs 10 to 70 times faster with far less memory, and the service now does the work essentially instantly.

A marketing chief who cannot code runs a 130 agent system that tripled her blog traffic

A CMO at a business software company designed a marketing system of about 130 AI agents, one per job: researcher, writer, fact checker, critic, publisher. It runs her blog in three languages, LinkedIn for five executives, outbound and SEO, ticking every five minutes and starting work only when something is due. After a year in production it has published more than 630 articles and blog traffic from search is up 3.9 times. Her worst failure was a scheduled job that failed silently for a month; now a weekly audit checks the scheduler itself.

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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.