Kristin Burnham, writing on Macworld has posted an interesting article, “Five great Gmail timesavers Tap into advanced features in Google’s e-mail service”
Tips are:
Granting access to your Gmail account allowing someone to read and respond to your e-mail on your behalf.
Toggling between two Gmail accounts in one browser, using Gmail’s new Multiple Account Sign-in feature. To enable this feature, visit google.com/accounts and choose Edit next to Multiple Sign-in.
Opt-out of conversation threads
Easily schedule events in different time zones
Auto-advance to the next conversation
Full Article: http://www.macworld.com/article/157362/2011/01/gmailtips.html?lsrc=rss_main