Promos meant to build Business sometimes have the unintended effect of slowing them down.  This is one example.

Entrepreneurs profit from free Web names - Yahoo! News

Entrepreneurs have been taking advantage of a five-day grace period to sample millions of domain names, keeping the relative few that might generate advertising revenues and dropping the rest before paying. It’s akin to buying new clothes on a charge card only to return them for a full refund after wearing them to a big party.

The grace period was originally designed to rectify legitimate mistakes, such as registrants mistyping the domain name they are about to buy. But with computer automation and a burgeoning online advertising market, entrepreneurs have turned the return policy into a