Breakthrough
Gadget
Gimmick
Drawback
Early adopters
Brainwave
Commercial Success
Something that is not serious or of real value that is used to attract people's attention or interest temporarily, especially to make them buy something:
People who buy/use new high-tech products when they first appear on the market
Somethings that sells alot and makes a lot of monye
A small device or machine with a particular purpose
A sudden smart idea
An important discovery or event that helps to improve a situation or provide an answer to a problem:
A disadvantage or the negative part of a situation