Mathway.com solves all kinds of math homework problems with step by step explanations.
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The Gmail logo was designed the night before it was launched.
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20 years ago, there were only 130 websites, Google wasn't around, and you had to pay for an email account through an ISP.
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In 2013, AOL declared that they still made over $500 million a year through dial-up internet subscriptions.
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Amazon sells more e-books than printed books.
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