With the acquisition of  Sendori Inc
Sendori Inc is a start up Internet advertising exchange
they will be a subsidiary of the okland based Ask.

The company started in 2006, and  has built an exchange that merges advertisers with  type in domain traffic
The advertisers bid for traffic based on key words.
and their ads will be displayed on non developed domains aka parked domains.

Sendori offers more than 130,000 advertisers with access to 33,000,000 million unique visitors monthly, according to Ask.com’s latest announcement.

There are lots of domain parking company’s out there and many more being developed/released every day
we will see what ask has to offer the domain parking world!