Should you include Comparison Shopping Engines as a part of your PPC mix?

Shopping search engines allow companies to place their products in front of consumers actively searching for and comparing products for purchase. A consumer can visit a shopping site and search for a specific item; results will list similar products, prices and customer reviews for comparison purposes. This allows a website to place their products in front of a consumer during the buying phase of the shopping experience.

Read Armen Mardirousi's Article on Comparison Shopping Engines