class Movie < ActiveRecord::Base
end
# 3 ways to create ActiveRecord objects
# (the constructor checks to see what arguments it got)
movie = Movie.new
movie.title = 'The Help'
movie.rating = 'PG-13'

movie = Movie.new do |m|
  m.title = 'The Help'
  m.rating = 'PG-13'
end

movie = Movie.new(:title => 'The Help', :rating => 'PG-13')