The options are:
A) reverse engineeringB) value chain extensionC) focused strategyD) niche market
Answer:
Value chain extension.
Explanation:
Value chain extension are the steps a company takes to extend the reach of their products to customers, and multiple relationships are built that impacts the bottom line.
In this instance eBay customers write a review after each purchase and the reviews are now used by buyers to evaluate the seller's.
EBay in turn gives special privileges. This is eBay creating an extended value chain in delivering it's products to customers.
