These innovators are disrupting massive industries with a customer-centric business strategy.

Amazon 's success expanding from books to cloud computing has set the benchmark for the ideal growth stock . By putting the customer first and being willing to take risks, Amazon tremendous wealth for investors.

The great thing about finding these innovative companies is that you don't have to be first line to buy shares. You could have waited until 2005 -- 10 years after Amazon went public -- and still made over $100,000 on a $1,000 investment.

The next 20 years could see similar return possibilities for innovative companies in massive industries like financial services and healthcare. Here are two growth stocks that might be giving investors a second chance at buying an early stage Amazon

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