Instead of responding to a WhatsApp message with short texts like "LOL" or thinking too hard about something meaningful to say, use an emoji reaction. They cut down on clutter in group chats and take up less space than typing emoji individually in a conversation. WhatsApp initially limited reactions to just six emoji, but a new update lets you use any emoji you want. WhatsApp first announced emoji reactions for individual and group conversations in April, and the feature began rolling out to ...