Their biggest non-payroll expense is supposedly SMS fees, although they have hit a ceiling and no longer pay a marginal fee per message as the company grows.
不过，随着公司壮大，他们已经不用再支付每条信息的附加费了。
When someone smiles at you, when you receive a small complement, when the bus is on time, when a friend sends you a nice SMS message... these are all things to be thankful for.
当有人对你微笑的时候，当你得到一份小小的补偿的时候，当公交车准时到达的时候，当一个朋友给你发来一份好的手机短信的时候…这些都是应该心存感恩的事情。
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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