The United States Postal Service (USPS) is in deep financial trouble, in large part due to the advent of email, and online bill paying and other services. Now, in what can only be described as the Post Office taking a page from election year partisan smear campaigns, the USPS is attacking the Internet as dangerous and unreliable, and touting postal mail as safe and good for business. “A refrigerator has never been hacked,” starts the television advertisement, which is primarily aimed at businesses.