teaser question

[ionutzavram]

can u please tell me what teaser copy means in tis context



"
Evolved from postcard mailings. They first mailed for name recognition, consistentlyannouncing sales or listings, then evolved into their own program of getting extra real estate advicefor free. Their monthly mailer included a teaser question with tax and insurance information. "

 

[Anglika]

A question which will arouse the interest of the person filling in the form so that they try to find out more, enabling the company to follow up the contact.