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7 billionaires and their crazy-ingenious ideas

By: Bryan Nelson on Sept. 25, 2013, 11 a.m.
10,000-year-clock, Clock of the Long Now, Jeff Bezos

Photo:; Steve Jurvetson/Flickr (inset)

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Jeff Bezos' 10,000-year clock

Jeff Bezos, 10,000-year clockJeff Bezos made his fortune by founding Now he wants to build the world's most perfect clock, designed to keep flawless time for 10,000 years.

The timepiece, called the Clock of the Long Now, will be located on Bezos' land in Texas. Aside from keeping time, Bezos hopes the clock will change the way humanity thinks about time.

According to a website for the Long Now Foundation: "Ideally, it would do for thinking about time what the photographs of Earth from space have done for thinking about the environment. Such icons reframe the way people think."