The iPod has also been criticized as inferior to other players from rivals like Creative Labs, Rio, iRiver, and others. Common arguments are that, compared with other digital audio players, the iPod has lower sound quality, shorter battery life (which was improved in 4G iPod), and a lack of features such as support for UMS and for the Ogg Vorbis encoding format.
Test script refers to a short program usually written in scripting language which can test some set of features of the system under test (SUT).

North Korea has remained one of the most isolated places in the world, with severe restrictions on travelling in or out of the country. There is no free press, and the Juche ideology of self-reliance is paramount.