Global financial network. Banking (Citibank). Insurance (Traveler's). Investment brokerage (Salomon Smith Barney). Mutual funds (Primerica Financial). Largest credit card issuer in the world (Mastercard, Diner's Club). First to introduce ATMs on a large scale. First to introduce compound interest to consumers. First to offer unsecured personal loans to consumers. And, it all rests on technology. Walter B. Wriston, President, then Chair, of Citibank from 1967 to 1984 believed, "The basis for wealth has evolved from land to labor to information. " Underlining this belief, Wriston said, "Information about money is as important as money itself." Citigroup's technological infrastructure supports this contention. The corporate banking unit alone has 8,500 MIPS in processing power, with a distributed environment that spans the largest IBM mainframes available, along with Compaq, HP, Digital, and Sun servers, and 75,000 PCs.