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In East Boston, Amazon bid stirs anxiety as well as excitement

Suffolk Downs’ proximity to Logan is held out as a plus. – David L. Ryan/Globe Staff

Sammy Cain would love Suffolk Downs to return to its glory days — when it was a premier horse track that drew thousands of whooping gamblers. But Cain, the former announcer at the defunct Wonderland dog track, knows a comeback just isn’t in the cards.

So as improbable as it may seem, Cain was enthusiastic about the idea of Amazon — sleek Seattle purveyor of all things under the sun — turning his beloved Suffolk Downs into a thriving new neighborhood of tech workers, trendy boutiques, and hip hotels.

“What’s a better location?’’ Cain, 65, said Thursday after betting on a couple of simulcast races at the nearly deserted track, which spreads into both East Boston and Revere. . “You know how long it takes to get to the airport from here? Not even 10 minutes. And people will get jobs. People need jobs.’’