Ray Tomlinson, the inventor of the email system, did not invent the @ sign. It had been in existence for hundreds of years. He just used it in an email address and made it popular once again.
The very first text message sent by Neil Papworth on December 3, 1992, read "Merry Christmas". It was sent via Vodafone network to the phone of Richard Jarvis, a director at the company. [more...]