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April 29, 2026


Costream

Indexing human dialogue through digital products

Costream Wants to Index Every Conversation Happening Inside Your Product

Every digital product generates conversation. Support tickets, in-app chat, feedback forms, onboarding flows. Costream is building infrastructure to capture, index, and make all of that dialogue searchable and actionable. Two Cornell dropouts who already scaled an AI product to 100K users think they can turn product conversations into structured intelligence.