WhatsApp marketing conversation cost + (Software provider monthly subscription cost / Total messages delivered in a month) 1. Make consent crystal clear – Use a tick box, QR code, or click‑to‑WhatsApp CTA that spells out what you’ll send and how often. Users must knowingly tap “Yes” before they deliver a https://dallaslcrhw.webbuzzfeed.com/37112605/la-regola-2-minute-per-invio-tracking-whatsapp