Just a decade ago, Blockbuster reigned as one of the most ubiquitous retailers in the US with 9,100 stores.Blockbuster also operates in other countries such as the UK, Australia, Brazil and Mexico.About 2,800 people who work in Blockbuster???s stores and DVD distribution centers will lose their jobs, Dish Network said.???This is not an easy decision, yet consumer demand is clearly moving to digita