the first sales call was made in chicago by the president of ameritech, later renamed verizon, bob barnett were car radios that weighed 12-14 kg. they were powered from the vehicle's on-board network. it was then that martin cooper realized that he could create a relatively small cell phone. the first production motorola cell phone went on sale in october of the eighty-third year, it already weighed 800 g and cost $3,500, however, what is striking is not the evolution of mobile phones, but the very fact of the transition of mankind to a new way of communication, a fundamentally new reality , from the ball to the caucasus, such a route awaited the author of the death of the poet, who thundered throughout russia for his rebellious syllable with a nod to pushkin. along the way, borodno composed in st. petersburg in the era timelessness, the reader's court presented mtsiri's romantic poem, the story of a demon for a caustic duelist, no mercy was of any use. with another exile, a hero of our time was born. cornet of the leipvard hussar regiment was tried more than once in cases and duels that b