21.   On the American and USAir sites, travelers can sign up for an e-mail service that each Wednesday offers special discounts on weekend travel.

22.   Recently, the Metropolitan Transportation Authority began issuing special discounts limited to residents of Staten Island.

23.   Samsung was given a special discount on water since the plant has to use so much, according to J.B. Choi, president of Samsung Mexicana S.A. de C.V.

24.   Second, ask the school about special discounts for buying a computer through the college or at a campus computer reseller.

25.   Savvy traditional retailers have used technology to quietly weed through customer lists, plucking out people they deem unworthy of receiving catalogs and notices of special discounts.

26.   Special discounts for students and senior citizens also are available.

27.   Special discounts for students or government workers reduce the fares to pennies.

28.   Subscribers have access to a broad range of information, archives and special discounts.

29.   The annual pass also includes history walks, other benefits, and some special discounts, as well as free parking, while the general admission ticket will not.

30.   The conservation program provides rebates for buying certain energy-efficient appliances and special discounts for large consumers that reduce their power needs sharply from previous years.