Back in October 2014, Taylor Swift opened an account on Line, the messaging app that is massively popular in Asia. The account currently doesn't do much. If you communicate with it, you can hear a funny voice message from Swift, for instance.
But that is not the point.
The Taylor Swift Line account is interesting because:
a) she opened it to address the Asian market and
b) it is a very early case of a primitive chat bot being used as a marketing vehicle for music.
Paul McCartney has one,...