Mobile AD hoc networks is a dynamic network, the dynamically joining and exiting of network node makes the network chat rooms facing a lot of security issues.

移动自组织网络是一种动态的网络，该网络中的结点的动态加入和退出使得网络聊天室面临很多的安全问题。

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Most applications are going to be network connected. So what about a project that spans across both, such as a chat application.

大多数应用程序都会连接网络，那么一个跨越两端的项目(比如说聊天应用程序)又是如何呢？

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For example, you could learn and network during remote mentoring sessions where you talk to someone in a meeting space with private proximity-based chat.

例如，可以在远程指导活动中学习和交流，可以根据位置的接近程度与会议空间中的人私聊。

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By the end of its 50 days, LulzSec had amassed more than a quarter of a million Twitter followers, a stream of mainstream news headlines, well over a dozen hackers who acted as second-tier supporters and a chat network frequented by hundreds of fans and observers.

FORBES: Two Members Of Hacker Group LulzSec Plead Guilty To Cyber Attacks

The software will incorporate a social network, cloud saving, chat, achievements, and a retail space for buying boxed and digital Ubisoft games.

FORBES: Uplay PC: Ubisoft Enters Digital Distribution Space Alongside Valve, Electronic Arts

In June this year, Habbo Hotel, a popular social network for children, temporarily suspended the chat function on its service, following claims paedophiles were using the virtual hotel to groom youngsters for sex.

BBC: Yahoo to axe public-chat rooms feature