jfruh writes: "In the mid-00s, more and more people started learning about Android, a Linux-based smartphone OS. Open source advocates in particular thought they could be seeing the mobile equivalent of Linux — something you could download, tinker with, and sell. Today, though, the Android market is dominated by Google and the usual suspects in the handset business. The reason nobody's been able to launch an Android empire from the garage is fairly straightforward: the average smartphone is covered by over 250,000 patents." Link to Original Source
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.