Cust Dev Roast
summary
Cust Dev is presented as a broader framework where deep one-on-one interviews are only one tool; practical techniques recommended include pairing an interviewer with a note‑taker, recording audio/video, and cold‑calling users from an export to get rapid answers. The presenter recommends running about 5–7 interviews per user segment (or roughly 10 short calls per hour for quick triage), asks to use behavioral questions like “when was the last time this happened” rather than hypothetical purchase queries, and shares a Sberbank referral test where paying 5,000 didn’t attract new customers but did change referrer behavior, so incentives were reallocated.
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