Read this article: http://blog.bpl.org/lifeonline/index.php/2012/09/online-publishing-using-paper-li-and-scoop-it/

See Mr. Bohnsacks Paper.li Paper

Create your own Paper.li (you will need facebook or twitter)

Try a Scoop.it account (you will need an e-mail)

Which do you prefer? Why? Put a link on your blog

When you are done, complete this form