Are you talking about Scott Forstall? Despite having 0 tweets, he has 40K twitter followers: http://twitter.com/#!/forstall/followers http://twitter.com/#!/for

Are you talking about Scott Forstall? Despite having 0 tweets, he has 40K twitter followers: http://twitter.com/#!/forstall/followers http://twitter.com/#!/forstall/followers It should be possible to determine from that information that he has influence.