The people who use them are fewer. The people who ignore them are more. The people who want to make money writing them seem to remain about the same in numbers.
These numbers could apply to SO MANY industries. Heh.
[Bonus Link:] “Hugh McLeod does these really funny drawings on the backs of business cards. I mean funny as in odd, strange. I mean funny as in… huh? I have a hard time understanding most of them. Maybe it’s because I’m a girl.”