It is intricate computer software, said Ralsky, that can detect computers that are online and then be programmed to flash them a pop-up ad, much like the kind that display whenever a particular Web site is opened.
"This is even better," he said. "You don't have to be on a Web site at all. You can just have your computer on, connected to the Internet, reading e-mail or just idling and, bam, this program detects your presence and up pops the message on your screen, past firewalls, past anti-spam programs, past anything.
"Isn't technology great?"