Estimates suggest that there are around 150 million emails sent every 60 seconds. That’s over 90 billion every hour, and more than 200 billion every day. That’s an incomprehensible amount of information, and it’s no wonder that millions of inboxes are full-to-bursting with messages. We have all, at one time or another, experienced the irritation of trying to locate an email we received in the past. Whether it’s a week ago or a month ago, it’s a painstaking task that has becom