old_contents: import os
  from flask import Flask
  
  from services import bitbucket
  from services import deviantart
  from services import digg
  from services import disqus
  from services import dropbox
  from services import etsy
  from services import fitbit
  from services import flickr
  from services import github
  from services import instagram
  from services import twitter
  
  app = Flask(__name__)
  app.secret_key = os.environ['SECRET_KEY']
  app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('DATABASE_URL')
  
  def init_services(*services):
      service_list = []
  
      for service in services:
          alias = service.alias.upper()
          key = os.environ.get('%s_KEY' % alias, '').decode('utf8')
          secret = os.environ.get('%s_SECRET' % alias, '').decode('utf8')
  
          if key and secret: # Only initialize if all the pieces are in place
              service_list.append(service(key, secret))
  
      return service_list
  
  services = init_services(bitbucket.Bitbucket,
                           deviantart.DeviantArt,
                           digg.Digg,
                           disqus.Disqus,
                           dropbox.Dropbox,
                           etsy.Etsy,
                           fitbit.FitBit,
                           flickr.Flickr,
                           github.GitHub,
                           instagram.Instagram,
                           twitter.Twitter)
  
new_contents: import os
  from flask import Flask
  
  from services import bitbucket
  from services import deviantart
  from services import digg
  from services import disqus
  from services import dropbox
  from services import etsy
  from services import facebook
  from services import fitbit
  from services import flickr
  from services import github
  from services import instagram
  from services import twitter
  
  app = Flask(__name__)
  app.secret_key = os.environ['SECRET_KEY']
  app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('DATABASE_URL')
  
  def init_services(*services):
      service_list = []
  
      for service in services:
          alias = service.alias.upper()
          key = os.environ.get('%s_KEY' % alias, '').decode('utf8')
          secret = os.environ.get('%s_SECRET' % alias, '').decode('utf8')
  
          if key and secret: # Only initialize if all the pieces are in place
              service_list.append(service(key, secret))
  
      return service_list
  
  services = init_services(bitbucket.Bitbucket,
                           deviantart.DeviantArt,
                           digg.Digg,
                           disqus.Disqus,
                           dropbox.Dropbox,
                           etsy.Etsy,
                           facebook.Facebook,
                           fitbit.FitBit,
                           flickr.Flickr,
                           github.GitHub,
                           instagram.Instagram,
                           twitter.Twitter)
  
subject: Add Facebook