"Open operating systems, for most folks, means that the
operating system is essentially free. The average computer user
knows that Linux is free, as in beer, while Windows costs money.
The case is the same for mobile OSes although, until very recently,
the idea of purposely using an open OS has been a fairly nebulous
"To be clear open mobile OSes have been around for years,
starting most prominently with the QTopia project that ran on ARM
hardware found in many PDAs and phones. The Linux kernel plays well
with almost any platform, making it ideal for small
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