You can create a WhatsApp group on iPhone or Android and stay in contact with people while traveling or abroad using Wi-Fi or a cellular connection.
It's easy to use Google Hangouts on your iPhone to start large group chats. Here's what you need to know to do it.
WhatsApp today introduced a feature that lets users create groups on the instant messaging app without needing to name them — an update over the existing way that requires users to specify group names ...