Answer:
B) vaporware.
Explanation:
Vaporware is a software or hardware product that is not yet released in the market but has already advertised. This can be the product is probably still under development or it is still in its idea form and not developed at all. Vaporware is a term used in the computer products industry. Products that were announced but missed the released date by a big amount of time can also be called vaporware.