They have her spend her time under the impression that the service is free with ads until she hit "send invitation". That's when you find out that all your time has been wasted if you don't join a minimum $6.99/month program. Sure, you can cancel anytime, blah blah blah - but they can f*- off as far as I'm concerned with that type of tactic.
We hear you and we’re sorry you are upset. From time to time, we experiment with different user interface and pricing. We would be happy to upgrade you for FREE. Simply send an email to help@punchbowl.com and mention you connected with us here. You’ll hear back from us within an hour. - Danny in Marketing