We are about to start accepting Paypal as a payment method on our website. If a customer chooses to pay via Paypal, they will be sent away from our purchase funnel, to the Paypal website to make payment, then sent back to our order confirmation page on our site. Like so: Payment options page (our website)Paypal payment page (Paypal website)Order confirmation page (our website)What implications does this have for our conversion funnel? Will visitors who pay via Paypal be counted as one visitor, o...