The Samjiyon tablet computer, it is safe to say, is no threat to the iPad.While Apple and other leading tablet makers keep adding more features to these devices, the Samjiyon is more notable for what it lacks: YouTube, Gmail, Wi-Fi, even access to the Internet – at least, the Internet that most of the world knows.
http://bits.blogs.nytimes.com/2013/08/02/from-north-korea-with-love-a-tablet-with-no-internet-access/