91.   The Phoenix system will require American dominance of the finite spectrum of electromagnetic wavelengths and will depend on denying the enemy access to his communication lines.

92.   The signature-based system does not require merchants to upgrade their card terminals to accept the identification numbers.

93.   The Skinner system requires versatility and a high basketball IQ.

94.   The system also requires a standard phone line.

95.   The system required graduating physicians to interview widely for residency programs throughout the country, then submit lists ranking the preferences among the positions about which they had talked.

96.   The system requires diamond shipments to carry documents tracking their origin to the mine.

97.   The system requires no special software to drive it, just two video cards to plug into -- similar to the setup needed for running two separate monitors.

98.   The system requires would-be users to submit a credit card number or some other proof of age to obtain a password, which then allows them into the site.

99.   The system requires students with limited English skills to take annual proficiency tests to mark their progress.

100.   The system requires the installation of equipment and a monthly service charge.