KEO

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KEO is the name of a proposed space time capsule which was to have been launched in 2003 carrying messages from the citizens of present Earth to humanity 50,000 years from now, when it would re-enter Earth's atmosphere. Its name represents the three most frequently used sounds common to the most widely spoken languages today, , , and . Everyone was invited to contribute to the time capsule, and the organizers encouraged everybody to gather messages from children, senior citizens, and the illiterate so that every culture and demographic on Earth was represented. Moreover, the organizers were committed to not filtering the messages, stating "all the messages received, without undergoing any censorship, will be embarked aboard KEO." The launch has been delayed several times due to major geopolitical shakeups, including 9/11 and the restructuring of the ESA. , no launch date has been confirmed. Provided by Wikipedia