"Lambe them, lads! lambe them!" a cant phrase of the time derived from the fate of Dr. Lambe, an astrologer and quack, who was knocked on the head by the rabble in Charles the First's time.
When you know what you like and what you want and you're able to nudge things in the right direction, that's more profitable than ever, because there's so much information out there. Everything's saturated. Tastemaker is probably the most overused word, but I still think it's important.