Apple has started actively promoting its Mac OS X Maintenance Program, noted here two months ago, readers report. The program entitles institutions to receive all the latest Mac OS X upgrades over a three year period. A minimum of 10 licenses is required to participate in the program, which costs US$69 ($49 education) per license, per year for 10-99 users, $59 ($39 education) for 100-999 users, and $49 ($29 education) for 1,000+ users. Customers must also have already purchased an Apple Volume License for the current version of the Mac OS X in order to be eligible. Additional details can be found in our initial coverage of the program.