I happen to signup for a 30 day free trial for a service using my credit card. Yet I always put it aside to try it until my first payment was sent. I guess shor

I happen to signup for a 30 day free trial for a service using my credit card. Yet I always put it aside to try it until my first payment was sent. I guess shorter trials will force the user to actually try it quickly and see if it fits for his requirements.