Mary's business had now reached a significant size that she has captured a full 1% of the protective case segment of the $81.5B cell phone accessory industry. With protective cases representing 20% of the total industry, her yearly revenues are now exceeding $150M. However, Mary believes at this point that she has maximized her potential based purely on her proprietary technology and channel strategy and is now looking for promotional effectiveness to further expand her market share. She is now looking into employing a cross channel marketing strategy to further expand her business. Explain to Mary why she needs to utilize a cross channel strategy and what are the key components she needs to setup in her business in order to be effective with cross channel promotion. Mary's business had now reached a significant size that she has captured a full 1% of the protective case segment of the $81.5B cell phone accessory industry. With protective cases representing 20% of the total industry, her yearly revenues are now exceeding $150M. However, Mary believes at this point that she has maximized her potential based purely on her proprietary technology and channel strategy and is now looking for promotional effectiveness to further expand her market share. She is now looking into employing a cross channel marketing strategy to further expand her business. Explain to Mary why she needs to utilize a cross channel strategy and what are the key components she needs to setup in her business in order to be effective with cross channel promotion