Describe how consumers have influenced the success of products in recent years?

Consumers are buying more products because their need is created by marketing, there is a trend for a product or there is a special moment that a particular product is needed among some group of people. Continuality of selling a product can be also achieved by producing its newer versions - sooner or later most of the consumers will feel a need to own newer verseion (or they will wait for another newer version). Good example of that is what happens to iPhone sales.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.