Implicit costs can also be thought of as intangible costs that are not easily accounted for. For example, the time and effort that an owner puts into the maintenance of the company, rather than working on expansion, can be viewed as an implicit cost of running the business.
Initially developed by Android Inc., which Google bought in 2005, Android was unveiled in 2007, along with the founding of the Open Handset Alliance â a consortium of hardware, software, and telecommunication companies devoted to advancing open standards for mobile devices.
Android platforms use other non-free firmware, too, and non-free libraries. Aside from those, the source code of Android versions 1 and 2, as released by Google, is free software â but this code is insufficient to run the device. Some of the applications that generally come with Android are non-free, too.