This is an awesome pro tip.
Earlier tonight, I shared something because I wanted to have it in my own stream, so I didn't forget about it.
In the comments to that post,@Ian Salamanca said:
"Hey +Wil Wheaton, If you just want to save an article, make a circle entitled READ (or whatever the hell you want) and just don't include anybody. The things you post will forever be trapped in that data circle, yet you don't have to have the 61+ comments everytime you do."
This is such a great idea, I had to share it. I love how it turns the idea of Circles upside down in a useful way that I never would have come up with on my own.