On 7th December 1972, Apollo 17 astronauts took “The Blue Marble” photo as the spacecraft was leaving earth. It is one of the most reproduced photographs in the world.
The world's first handheld commercially available mobile phone was Motorola's DynaTAC. It was priced at $3,995 upon release and had an LED display for dialling and recalling numbers. Martin Cooper of Motorola made the very first call from a cell phone using the DynaTAC on 3rd April 1973. [more...]