From iTools to iCloud: Apple's first foray into Software as a Service

Before iCloud became the backbone of the Apple ecosystem, it spent more than a decade evolving through three distinct services: iTools, .Mac, and MobileMe. iTools, as part of Mac OS 9 | Image Credit: Matt J Fuller If you've got an iPhone , you've got an iCloud account. Sure, you might only have the base account, but you're still signed up for it.