The world’s first cultured pearl was obtained on 11th July 1893 by Kokichi Mikimoto.
Twitter has been used from space. "Hello Twitterverse! We r now LIVE tweeting from the International Space Station -- the 1st live tweet from Space! :) More soon, send your ?s" was the first tweet sent by astronaut TJ Creamer (@Astro_TJ) on January 22, 2010. [more...]