A recent innovation by Amazon, the Vendor Flex program, seeks to lower overall transportation costs but also creates new forms of channel conflict with competitors. As a partner in the Vendor Flex program, P&G agreed to allow Amazon to build fulfillment centers within P&G$$s own warehouses, thus helping to eliminate some of the costs of transporting P&G$$s products to Amazon$$s fulfillment centers. Believing that the program was giving its competitor Amazon an unfair advantage, Target reacted vigorously, moving all P&G products from prominent end$-$cap positions in its stores to less prestigious and less visible locations. Target also stopped using P&G as its primary source of advice for planning merchandising strategies within each category. The conflict between Amazon and Target is an example of $\_\_\_\_\_\_\_\_$ channel conflict.