Sereinly Developer Flags Gaps in 'We Don't Store Your Messages' Privacy Claim

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Sereinly, a paid AI-assistant SaaS, marketed itself on a promise that user message content is never stored. The developer clarifies that while account, subscription, and usage data do persist by necessity, the privacy claim was specifically scoped to AI-processed message content. Server-side API routes handle AI processing separately from user account data, but the developer admits they have not fully traced the request lifecycle to confirm messages are never written to logs or databases, even transiently. Third-party AI providers, error-tracking tools, and request logging each represent additional data pathways that a blanket 'no storage' claim may not cover. The developer uses Sereinly as a case study to highlight a broader industry pattern where privacy promises often reflect only primary database behavior, not the full data pipeline.

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