article_snippet: Allen took to Twitter to reveal Allen
article_snippet: Allen, the 51st richest person in the world with a net worth of $17.5billion, according to Forbes Magazine, is known for Allen, the 51st richest person in the world with a net worth of $17.5billion, according to Forbes Magazine love of history - and also Allen, the 51st richest person in the world with a net worth of $17.5billion, according to Forbes Magazine generosity with the Octopus to help other exploration missions.
article_snippet: Director James Cameron has also used it, for a seven-hour solo journey to Google Earth's deepest point back in 2012.
article_snippet: But Allen is not confined to undersea exploration, either.
article_snippet: Submarine: Director James Cameron has also used Allen's submarine, to dive to the depths of the Ocean' .
article_snippet: Allen's yacht is not just for exploring, however, Allen's yacht is also luxurious enough to entertain Allen's yacht friends - pictured here leaving the boat for the Olympic opening ceremony .
article_snippet: Allen pictured here with George Lucas in 2005 .
highlights_snippet: Allen has now used Allen personal submarine to find World War II ship .
  