But just go to cs50.net, click office hours and you'll see the Google Calendar with all of the office hours that are still happening tonight, as well as tomorrow and these are just an opportunity to chat, to ask questions one on one with the teaching fellows or course assistants or frankly just a way to hang out during brain break and work on projects and then see what some of your friends might be tackling themselves.

但是我要提醒大家去cs50，net网站看看,这里清清楚楚告诉你,什么时候该学习工作，当然也包括今晚的明天的，我们还有一个机会供，一个与研究生助教或课程辅导员交流的机会,更直白来说,是提供你们开小差的机会,看看你们周围哪些人,在开小差呢。

哈佛公开课 - 计算机科学课程节选

Google and Singtel are rapidly signing up small and medium-sized companies in Asia to use the Google Apps suite of web software (email, video, chat, office software like Microsoft Office).

FORBES: The Data Explosion and the Networked Enterprise

We've had a quick chat in this office and reckon it's the first time we've seen it happen.

BBC: Six of the best from the Chief Whip

The White House was conducting an online chat it labelled "Office Hours" in an effort to connect to web users about the often dry issue of the debt and budget negotiations.

BBC: US debt: White House 'Rickrolls' Twitter