Here is another good article from C&RL News.
“Collaboration in the cloud: Untethered technologies for scholarly pursuits” by Courtney Greene and Elizabeth Ruane.
April 2011 was an especially tough month for cloud computing—Amazon’s cloud went down, the Sony PlayStation network was hacked, and Verizon’s LTE network was unavailable for more than a day. However, if loving the cloud is wrong, we don’t want to be right. Our story of life in the cloud begins in the fall of 2009, when we produced a book manuscript relying almost exclusively on Web-based applications and services. Although using these mobile-friendly tools while writing a book about building mobile-optimized Web sites wasn’t a conscious or purposeful decision, integrating a suite of portable technologies, like Google Docs and Dropbox, transformed our workflow, sparked our creativity, and improved our eventual product.