|Christian Science Monitor|
Google celebrates the 155th anniversary of the Pony Express, an important, if not financially successful, innovation in American communication. When was the first mail delivered via the Pony Express?
Google honors Pony Express anniversary with Doodle gameSlashGear
Take a virtual ride on the Pony Express with video-game ‘Doodle’Washington Post
Google Doodle Celebrates the Pony Express With a GameTIME
New York Recorder –Vox –GameSpot
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