They didn't just get a lot of people to their page. They also got a large chunk of their visitors to pay them. The first part might not be sustainable - and it

They didn't just get a lot of people to their page. They also got a large chunk of their visitors to pay them. The first part might not be sustainable - and it seems they weren't planning for it to be as this was a one time offer - but it definitely validated something, and also put them in touch with a lot of customers.