Greg from Twilio here. Living in America and not being a regular WhatsApp user, I had a similar reaction when I first heard about this. It wasn’t until I start

Greg from Twilio here. Living in America and not being a regular WhatsApp user, I had a similar reaction when I first heard about this. It wasn’t until I started talking to developers outside America -- especially in Brazil and India, areas where SMS is unreliable and expensive, and where WhatsApp is ubiquitous -- that I realized how powerful this product could actually be.