Block People From Seeing That You Opened Their Emails
by Jake Peterson from Lifehacker on (#6A3ND)
When you fire off an important email, you don't get to know when the recipient opens it. You have to sit in front of your computer like a dope waiting for their response. Some emailers out there, however, don't have to wait for a response to know the message was received. In fact, they can track exactly when you open...