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Continue to ChatOvum市場觀察:短信依然是B2C通信的重要方式 https://blog.wongcw.com/2019/09/23/ovum%e5%b8%82%e5%a0%b4%e8%a7%80%e5%af%9f%ef%bc%9a%e7%9f%ad%e4%bf%a1%e4%be%9d%e7%84%b6%e6%98%afb2c%e9%80%9a%e4%bf%a1%e7%9a%84%e9%87%8d%e8%a6%81%e6%96%b9%e5%bc%8f/