Open Firefox

require 'watir'
Watir::Browser.default = "firefox"
b = Watir::Browser.start("http://www.google.com")
b.text_field(:name, "q").set "watir"
b.button(:name, "btnG").click
b.link(:href, "http://watir.com/").click
puts b.text.include?("Why Watir?")