Related: Ever wished that you could 'unsend' an email? Tap here for the steps.

This is especially helpful for tracking urgent and time-sensitive messages. Better yet, read receipts nudge the recipient into writing back as soon as possible. This tool will tell you the exact time that your message is read.

That’s why “read receipts” were invented. But what if you don’t get a reply? Learn how you can tell when someone is seeing your text messages. You send a text and you expect an immediate reply. The communications stream is compounded by text messages. The longer we wait for an answer, the more we wonder whether the message was seen at all. That doesn’t even count the spam that pours into our accounts. According to the technology market research company The Radicati Group, the average adult will receive 92 email messages per day in 2017. In the 21st century, our inboxes are flooded. What happened to the first two? Junk folder? Was the message just ignored? You’re halfway through a third email and you stop.