Lifestreaming is an online record of a person's daily activities, either via direct video feed or via aggregating the person's online content such as blog posts, social network updates, and online photos.

生活直播是指一个人日常生活的在线纪录，可以通过视频订阅或博客、社交网站的更新、在线照片等将这些在线内容聚合在一起。

在网上直播生活的人就叫lifestreamer，进行这种直播可以用动词lifestream。

Example:

They are lifestreamers, who have been simulcasting their lives 24 hours a day. Why? Because it's there.They'd already been blogging, Twittering, Facebooking, Flickring, podcasting and YouTubing their lives.

他们喜欢在网上直播生活，一天24小时的生活都在网上同步。为什么？因为那就是他们的生活。他们已经在把自己的生活博客、微博、Facebook、Flickr、podcast和YouTube化了。