The Alticor corporation owns both Amway and Quixtar, plus several other concerns. Quixtar replaced the North American business of Amway in 2001 after the majority of the distributors moved to Quixtar, with Amway operating in the rest of the world.
In information theory, units of information are also used to measure the information contents or entropy of random variables. The most common units are the bit, the capacity of a system which can exist in only two states, and the byte (or octet), which is equivalent to eight bits. Multiples of these units can be formed from these with the SI prefixes (power-of-ten prefixes) or the newer IEC binary prefixes (binary power prefixes).
Permanent memory units are used to store data whose composition does not change during the processing of a specific type of information or the solution of one class of problem (such as tabular data, standard subprograms, and the unchanged programs of control computers).