In addition, some of the materials used in IQ tests may be totally foreign to certain cultures, thus creating inequalities and biases. It is interesting to note that IQ scores have increased so much over the 20th century that most of today's test takers would be considered 'geniuses' by 1900 standards.
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.
VDSL2 is the latest and most advanced standard of DSL broadband wireline communications designed to support a wide deployment of triple play services such as voice, video, data, high definition television (HDTV) and interactive gaming.