http://www.forbes.com/sites/jesselawrence/2015/08/31/following-mondays-on-sale-paul-mccartney-tickets-averaging-over-400-on-secondary-market/
http://www.forbes.com/sites/jesselawrence/2015/08/31/following-mondays-on-sale-paul-mccartney-tickets-averaging-over-400-on-secondary-market/