J.Fish is a genius See the paragraph headed "latest trends" on page 9 of this PDF (pg 42). The previous pages are educational too. https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.wcl.american.edu/blr/03/2feldman.pdf&ved=0ahUKEwim_qGdwt3OAhVRzWMKHUIBBlgQFggnMAA&usg=AFQjCNGLXHWvNtd_bDZl3-Hue-Pnj7C7xw