Strategy and competition comm 401 review. To make sure that there is a different guideline for different lines of business. Consumers (clearly outline assumptions if dealing with two industries) Ex: recessions/expansions, average earnings per class (upper, middle, lower), current financial state of public, etc . Ex: the next big thing, what"s in today, crowd following, certain cultures attracted to certain things, etc . Ex: new technology, old technology, new uses for old technology, sustainable technologies, etc . What are the strongest forces? (clearly outline assumptions if dealing with two industries) Substitutes are higher in quality or at least equal to. Supplier goods are critical to buyer"s marketplace success. Buyers purchase a large portion of total output. Relative to their s & w, how should they manage their o & t. 1. strengths: areas companies do well in or have an advantage in. 2. weakenesses: areas companies show weakness in or lack advantage in.