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Joy

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Joy — Demo video

Across South Asia, over 300 million Bengali speakers rely daily on neighborhood grocery (মুদি) stores. While these micro-merchants power the local economy, most find modern English-first, touchscreen POS software intimidating and impractical while their hands are busy weighing grains, handling cash, and attending customers. Consequently, shopkeepers still track sales and customer credit in paper notebooks (বাকি খাতা), resulting in frequent calculation errors, lost credit records, and zero inventory visibility. comam AI is a Bengali voice-first shop management assistant that empowers micro-merchants to run their entire store simply by speaking natural Bengali. A shopkeeper simply says: "দুই কেজি আটা, তিনটি চা পাতা আর আধা কেজি আলু — রহিমদার নামে বাকিতে" (2 kg flour, 3 tea packs, and half kg potato on credit to Rahim). comam parses the multi-item sentence, matches catalog items, verifies stock, and reads the bill aloud in Bengali asking for verbal confirmation ("সব ঠিক আছে, বিল করবো?") before saving. Beyond sales, comam automates credit ledger management ("সুমিতার কত বাকি?", "রহিমদা ২০০ টাকা জমা দিলেন") and provides instant voice-queried business reports ("আজকে কত বিক্রি হলো?"). Built on the core principle — "AI understands language; deterministic code does accounting" — comam never guesses with money, making digitisation effortless for any shopkeeper who can speak.

Team