From main service to a technical background-The primer known with usage
Abundant illustrations and operating procedures explain the indispensable keyword "Cloud computing" of IT& business. The newest strategy of Google which marches out also out of Web by "Chrome" and "Android" is begun. New service of "Twitter", "Evernote", etc. salesforce.com which advances rapidly by SaaS+PaaS, The motion involving Cloud is quickly known to the VM wear which leads virtual technology by new device "private Cloud" correspondence, "Windows Azure" formally put into operation, and Microsoft which aims at a comeback by a broad service group.
- July 15, 2011 Price increase: $3.99 -> $4.99
- April 01, 2014 Price increase: $4.99 -> $5.99
- April 22, 2015 Price decrease: $5.99 -> $4.99