While it's okay to be friendly, in general I've found that it's best to stay away from overly personalcommunications with your client.
表现得友好些当然没问题，但总体来说我发现最好不要和你的客户进行过分亲切的私人交流。
2
That will cement our control over our personalcommunications, and we'll decide to be findable again.
这可以使私人间沟通更易控制，我们可以决定谁可以找到你。
3
Personalcommunications networks are designed for pedestrian use and consist of pocket phones so small they can be folded up like a wallet to the size of a pack of cigarettes.