Unverified50% confidenceFactExact time
Hey Postcard 将随机送达时间设定在早上8点到10点之间，运用可变比率强化原理制造期待而非成瘾
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/12/2026
First Seen
Valid until: 11/10/2026
Sources
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https://kongchang.com/claim/735572API
curl https://kongchang.com/api/v1/knowledge/claims/735572MCP
get_claim(id=735572)