Crain's Chicago Business:
The Cubs have found another way to tap into the insatiable demand to be part of everything at Clark and Addison.
The new revenue stream is a repackaging of their on-line fan club, Cubs Club. Among the goodies for joining are a membership card, Cubs sticker, exclusive e-mails and web content.
And oh yes, there's one more thing: the ability to purchase seats for premium games before they go on sale.