Joel, this is Marty. I’m calling you from a cellphone, a real, handheld, portable cellphone.

Martin Cooper, speaking the first words ever said over a mobile phone. A Motorola engineer, Martin used his newly invented device to call Joel Engel, a rival at AT&T, on April 3, 1973. Many would say that the mobile phones have been rude and annoying ever sense.

See: This story from the BBC and this one from CNN for more