EARLY ADOPTERS
COMMERCIAL SUCCES
BREAKTHROUGH
GADGET
BRAINWAVE
DRAWBACK
GIMMICK
number of sales and the money made from them
a feature that renders something less acceptable; a disadvantage or problem
a sudden clever idea
an important discovery or event that helps to improve a situation or provide an answer to a problem
a person who starts using a product or technology as soon as it becomes available.
a small mechanical or electronic device or tool, especially an ingenious or novel one
a trick or device intended to attract attention, publicity, or business