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Hawaii is a group of volcanic islands in the central Pacific Ocean. The islands lie 2,397 miles from San Francisco, California. The capital is Honolulu, located on the island of Oahu. The eight main islands, from northwest to southeast, are Niʻihau, Kauaʻi, Oʻahu, Molokaʻi, Lānaʻi,...


The first electronic mail, email, system was created by Ray Tomlinson in 1971.  The @ symbol has been used in email addresses since its inception.
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