"But other than that, I would have had to pay people to sign up."

More than 40,000 people have signed up for the service.

Less than 60,000 people have yet signed up for the service.

More than 30,000 people have signed up to the free service.

We want people to sign up on the Web site, even if that's all they do, and tell three friends about it.

If enough people sign up for the offer, the deal becomes available.

A year later, another 600,000 people had signed up to support the plan.

More than 100 people have signed up to speak at the board meeting.

More than 600 people signed up for the club in the first week the center was open.

It is not known, of course, how many people would sign up.