ANDROID & iOS
Chat to people who aren’t contacts in WhatsApp
To start a new chat with someone in WhatsApp, you’ve previously needed to save their name and phone number as a contact. Although this makes it easy to identify their future messages, it also means your contacts list can become clogged up with the details of people you only chatted to once or twice, and aren’t likely to speak to again.
To overcome this problem, WhatsApp has added the welcome option to