Telex directories have moved on. In ancient history (the 1970s), scammers would send “invoices” to companies listed in the telex directory, billing them for listings in their “telex directory.” Fax machines were killing telex, and e-mail and FTP provided the death knell. Now those people are showing up again, sending out invoices for “domain name services.” They are not invoices, and you don’t have to pay them. A look at some of the more infamous scams of technology that people have been taken in by.