From this interface, you can send messages to friends, join games, add new friends, accept invites, and set your online status.

在这个界面里，你可以发信息给好友，加入游戏，添加新好友，接受邀请，并设置你的在线状态。

youdao

In a few months, we may be complaining that our cellphones aren't automatically able to send messages to friends within a certain distance, letting them know we're nearby.

几个月后，我们可能会抱怨自己的手机不能自动地向一定距离内的朋友发短信，让他们知道我们就在附近。

youdao

Users can add friends and send them messages, and update their personal profiles to notify friends about themselves.

用户可以添加朋友并发送信息，通过发送自己信息来让朋友们了解自己生活。

youdao

Facebook said around 70% of users regularly used it to send messages to friends and that a total of four billion messages passed across the site every day.

BBC: Facebook ramps up Google rivalry with messaging service

And two-thirds of social network-using teens send private messages to friends, down from 82% in November 2006.

FORBES: Adults are making the Internet less cool

The software is used by millions of people to instantaneously send messages to groups of friends who are all online at the same time.

BBC: Ready, Aimster, Swap