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(function(){
	/**
	 * Twitter interaction
	 * @see https://dev.twitter.com/docs/tfw/events
	 */
	var category = 'social',
		action   = 'twitter';
	
	if(twttr && twttr.events && twttr.events.bind){
		twttr.events.bind('tweet', function (event) {
			var label  = 'tweet';

			ga('send', 'event', category, action, label);
		});

		twttr.events.bind('click', function (event) {
			var label  = 'click';

			ga('send', 'event', category, action, label);
		});
	}
})();