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Pitch
There have many accidents during airshows; for example, last year the wind toppled a tent and equipment on top of bystanders.
Answer:
Receiver’s preference and level of technical expertise
Explanation:
This is very important because any well prepared information presented using a communication channel that the target audience does not use or prefer is a wasted effort.
For example, a company that wants to target elderly people with its products, having been aware through a survey that they prefer television ads to online ads. Which means that because of their limited technical expertise, a tv ad is the best channel of communication.
Mountains observe everything and know everthing