You can run an instant messaging client on your phone, and even a protocol as bloated as XMPP works out to be a fraction of the cost per message of SMS.
你可以在你的手机上运行一个即时通讯软件，即便是XMPP这样臃肿的协议算下来其成本也只是短信费用的一部分。
You can run an instant messaging client on your phone, and even a protocol as bloated as XMPP works out to be a fraction of the cost per message of SMS.
你可以在你的手机上运行一个即时通讯软件，即便是XMPP这样臃肿的协议算下来其成本也只是短信费用的一部分。
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