Read what ships.

01Dropbox · architecture

Evolving our calendar assistant Reclaim to be AI-native without starting over

Dropbox engineers evolved their calendar assistant, Reclaim, to support natural-language AI requests by building a custom agent platform that integrates with existing scheduling logic. They utilized a shared action system and a Preview Mode backed by Redis to ensure AI suggestions are consistent and reviewable before affecting real calendars. This approach allows the product to adopt AI capabilities without fragmenting its core architecture or duplicating functionality.

DEPTH ■■■■■7 min read3 weeks ago

InfrastructureMachine Learning

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02Yelp · architecture

The making of the Yelp Assistant UI

Yelp developed a chat interface called Yelp Assistant using a hybrid approach combining native UI components and a server-driven UI framework called CHAOS. This architecture allows the team to dynamically update the chat experience without waiting for app store releases. The system separates views from data using reactive datasets and MessageEvents to manage the chat loop, state, and user interactions.

DEPTH ■■■■■12 min read3 weeks ago

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03Julia Evans · practice

Replacing the old battery on rechargeable bike lights

An individual attempted to repair old rechargeable bike lights with degraded batteries by cutting open the casing, desoldering the dead cells, and soldering in replacements. Despite lacking electronics experience and losing some screws, the repair was successful and restored the functionality of the lights.

DEPTH ■■■■■5 min read4 weeks ago

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