The beast over to the right there is the Motorola DynaTAC 8000X, which received approval from authorities exactly 25 years ago. It would have set you back US$3,995 at the time and it weighed 1.75 pounds. To give you some frame of reference, that's the same weight as 5.3 human kidneys, 14 tennis balls, or 6.2 iPhones...