If you play jazz, then you play with your fingers. If you're playing rock, you use a pick. There's really no rhyme or reason to that other than that's just the way it has been.
Kevin EubanksIn most places that are rich in guitar culture, everyone uses their fingers, like in Spain or Africa. In Japan there are string instruments played that way. It is not until you get in the States that you find people using picks.
Kevin Eubanks