One can now picture a future investigator in his laboratory. His hands are free, and he is not anchored. As he moves about and observes, he photographs and comments. Time is automatically recorded to tie the two records together. If he goes into the field, he may be connected by radio to his recorder. As he ponders over his notes in the evening, he again talks his comments into the record. His typed record, as well as his photographs, may both be in miniature, so that he projects them for examination.
—“As We May Think,” Vannevar Bush, The Atlantic, July 1945
Chapter Objectives: After studying this chapter, you should be able to
Present an overview of cloud computing concepts.
List and define the principal cloud ...