11.   As designed by Zero, Freedom, a Windows program, is one of the more intriguing anonymity services under develver time.

12.   As designed by David Marks Julia Barfield Architects Ltd., the wheel would turn constantly at a low speed, allowing people to hop on and off.

13.   As designed by Dionysis Fotopoulos, the circle becomes a sacred arena that transforms easily into a palace, a war camp or a shrine.

14.   As designed by President Franklin D. Roosevelt, Social Security benefits were linked to contributions.

15.   As designed by White and decorated and furnished with his advice, the Whitney house had encyclopedic attractions.

16.   As designed by Koplowitz, the three-bedroom, second-story replacement and the capacious third-floor attic have a sparkling, storybook charm.

17.   At Fendi, designed by Karl Lagerfeld, models sauntered down the catwalk holding gold chain leashes attached to their spike-heeled shoes.

18.   A beautiful terra-cotta-colored antislavery medallion depicting a black man praying, designed by William H. Hackwood, has a vibrant, almost Expressionistic fervor.

19.   A complicated set of rules -- designed by game theorists to prevent collusion and ensure that all bidders have the same information -- dictates how the auction will run.

20.   A special gallery designed by architect Michael Graves is about to become their permanent home.