The document discusses Smart Invites, a referral marketing tool that allows users to invite friends from various social platforms like WhatsApp, Kik, and others. It highlights that word-of-mouth referrals increase customer retention and lifetime value. Smart Invites provides customizable invite messages, tracking of invites sent and accepted, and attribution of referrals. It also supports customizing the invite experience through deferred deep links and bundling metadata. The tool aims to give businesses full control and insights over their referral program.