title: Why there is no need of external firefox driver like IE and chrome in selenium2.0..?
body: <p>I have two doubts kindly help me to solve these</p>
  
  <p>1)Why there is  no firefox driver [.exe] like IE and chrome for running selenium2.0..?</p>
  
  <p>2)Why do we need to initialize the IE and chrome driver while working with IE and chrome in selenium2.0..? </p>
  
  <p>Thanks
  Mahesh </p>