WhatsApp marketing conversation cost + (Software provider monthly subscription cost / Total messages delivered Con 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://emilionyhwl.blogoxo.com/36900594/un-arma-segreta-per-messaggi-whatspp-ecommerce