DeBeers is called a channel leader. There is the strength, determination, knowledge, and management to control the industry. He/She has a talent and strategy on distributing and delivery of the business through networks. He/She knows that market very well enough to control the 90% as said.
        
             
        
        
        
Distance ran by Chris Gilbert, D = 96 yards
Speed, S = 4.9 s / 40 yards
Time ran by Chris Gilbert, T = D x S
T = (96 yards) x (4.9 s / 40 yards)
T = 11.76 s, total time ran by Chris Gilbert