the best baron patented his DRAISINE (named after his right self) in 1817. The Draisine (or Draisienne) had  wheels and a wooden body with a rotating handlebar attached, which authorized the front wheel to be grew
 
 
 
wi-fi communication become a magic to our ancestors however Marconi should provoke it with his wireless telegraph in 1895. wi-fi communication may be categorized into three eras.
Pioneer technology (until 1920)
Pre cell technology(1920-1979)
mobile era
 
 
 
 
              
          
          
        
          
        
In 1917 modern fervour swept via Russia, ending centuries of imperial rule and instigating political and social changes that could cause the formation of the Soviet Union. springing up out of proletariat discontent with the Tsarist