code: def update_profile(attributes = {})
        assert_valid_keys(attributes, :name, :twitter_id, :facebook_url, :website, :about, :top_artists, :hangout)
  
        # Convert attribute names over to their Turntable equivalent
        {:twitter_id => :twitter, :facebook_url => :facebook, :top_artists => :topartists}.each do |from, to|
          attributes[to] = attributes.delete(from) if attributes[from]
        end
  
        api('user.modify_profile', attributes)
        self.attributes = attributes
        true
      end
docs: Updates the user's profile information