Laws require children under a certain age to ride in car seats, but not all children are the same size and not all cars are made the same. As a result, it is sometimes difficult to determine whether the child is riding in the best seat. Nissan has launched a safety initiative on its Internet websites, Snug Kids, to provide parents with specific information to help them find the right child seat for their Nissan or Infiniti product lines. This is an example of a _____ strategy.
A) repositioning
B) harvesting
C) market aggregation
D) product differentiation
E) targeted differentiation
Answer: D