Eusebesia and Ludwig sit at home in Brussels staring at two monitors for hours on end.
When one sees something, she or he might make a grunt or sound. The other then agrees if he or she would have said the same — and disagrees otherwise, of course.
In such exchanges, Luc Steels argued, the two robots (dubbed "talking heads") created the first autonomous artificial language in 1999.
If you want to find old exchanges before embarking on new ones, MailMate can make them stare at you from the monitor:
›› Wonder if you've exchanged messages with a sender before? Need to find their latest messages and your replies, too? In MailMate, finding all previous mail exchanged between an email's sender and all recipients is just one click away.