I'm sharing this to save the 99 cents it would cost to buy. If I share it again later it will be because I found it useful and actually want to share it.

I'm sharing this to save the 99 cents it would cost to buy. If I share it again later it will be because I found it useful and actually want to share it. 

http://www.makeuseof.com/pages/beyond-the-inbox-the-power-user-guide-to-gmail