Which of the Following Is an Example of a Vertical

Multiple Choice

Which of the following is an example of a vertical hub?

A) Plastics.com allows plastics buyers to search the best prices among thousands of plastics sellers.
B) ChemConnect.com is an online exchange for buyers and sellers of bulk chemicals.
C) SteelMart.com concentrates on steel buyers from the United States.
D) Garments & Textiles Online was launched to help international buyers trade more effectively with apparel manufacturers in China,India,and other supply markets.
E) PaperTiger.com offers paper buyers a comprehensive look at the prices and quality in the paper market.