The idea is to embed zap buttons on websites and also to be able to track zaps. We shouldn't limit zaps to nostr only. Zaps are the killer app and we should make it easier for anyone to zap anyone. I know from our conversation yesterday that zaps are technically just a lightning transaction. But having a unique URL that is not an actually a lightning address adds a layer of obscurity. It also allows the user to generate zaps instead of invoices which are essentially the same thing right? With a Zap my understanding is the sender is creating an invoice on behalf of the receiver paying the invoice at the same time. Does that make any sense?