There are now more than 1.4 million passwords in use by subscribers to online services in North America. According to the Digital Information Group of Stanford, CT., CompuServe leads the industry with nearly 260,000 passwords. Indicative of their popularity, the following providers of online services were reported to have issued the following numbers of passwords to subscribers: Dow Jones, 235,000; Mead Data, 180,000; Dialog, 70,000; and I.P. Sharp, 37,000.