title: Unable to find the chromedriver executable
body: <blockquote>
    <p>Unable to find the chromedriver executable. Please download the server from <a href="http://code.google.com/p/chromedriver/downloads/list" rel="noreferrer">http://code.google.com/p/chromedriver/downloads/list</a> and place it somewhere on your PATH. More info at <a href="http://code.google.com/p/selenium/wiki/ChromeDriver" rel="noreferrer">http://code.google.com/p/selenium/wiki/ChromeDriver</a>. (Selenium::WebDriver::Error::WebDriverError)  </p>
  </blockquote>
  
  <p>On Ubuntu 13 with Watir and Ruby.</p>