Unverified50% confidenceFactExact time
日本NTT长期垄断电话基础设施，本地通话按时计费的政策制约了网民在线时长，催生了深夜割引集中上网的现象，直至2000年代初ADSL宽带普及才根本改变
1
Sources
50%
Confidence
Long-term
Relevance
7/17/2026
First Seen
Sources
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