You can not send the contact simply to your friends. Yes lumia have so many negative points in term of using it .
Android era had ruined the market of window phone.all though the sound reception is good it is not user friendly . very though to operate . not so stylish and their are other better design are available in market in the lesser cost. look and feel is average this is the point where I can not use bad nor good words. and if it comes to value for money then hard to say but value for money is their . because camera pixel and RAM have better quality then other android phones .