Sending someone an email with sensitive information such as your credit card number, passwords, or other information can leave that message hanging around in email folders, instant messaging programs or texts for a period of time until it’s deleted, and even then can be recoverable.
Enter the burn after reading solution from Oneshar. This is the stuff of a James bond movie. The initial data you send in the message is encrypted, once read the message self destructs, and if your intended reader does not read the message it will self destruct after the time allocated by you. By default this is 3 days.
I can see a lot of uses for this. It’s free and you can get it here.