There is a lot of talk about virtualization and cloud computing, and too much effort is spent to link the two. With so many virtualization vendors releasing a flurry of cloud-related technologies, and forming cloud-centric partnerships, the emphasis is understandable. However, it can really muddy the waters and has a tendency to lead people to think the two terms are synonymous. In truth, though complimentary, the two technologies can exist independently. In fact, cloud computing is as much methodology as it is technology.
For more on this topic, please read my article on SearchServerVirtualization at http://searchservervirtualization.techtarget.com/news/column/0,294698,sid94_gci1513869,00.html
Once you read the article, feel free to come back here and leave a comment. This is conversation that can go in so many directions, but I think it is an important one to have.