How exactly does this make money? There's no clear indicator on the site that either it's a for-pay (e.g. a 'Pricing' tab) or free (e.g. '100% Free!') service.
I'm not sure it needs to be before signing up. If the sign up completes right after the email/pw dialog tha commitment might be worth something. This should be tested. But cautious people like my sibling and I need to be dealt with in the faq at least. It's implied that there is a charge but no link to the cost page. I feel I should see it in the faq.