Andy Gee Operates a Catering Business That Can Prepare Barbecue $\circ$

Andy Gee operates a catering business that can prepare barbecue for 2,000 people.In a trade journal,Gee learned about a new kind of meat thermometer that was designed to operate in temperatures as high as 290 ^$\circ$ C.Gee used _____ to become familiar with this new product.

A) encoded message
B) public service message
C) mass communications
D) WOM
E) intangible services