If you had invested $1,000 in Amazon when the company went public on May 15, 1997, you would be $239,045 richer.
But not all Internet IPOs yield such huge profits. If you invested the same amount of money at the time of Facebook's IPO in May 2012, you would have earned less than $300.
See also: How the Internet IPOs of 2012 Fared
As anticipation builds for Twitter's upcoming IPO, Statista assembled a chart that compares how much an $1,000 investment in six different Internet companies would be worth today.
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Image: Frank Micelotta/Getty Images for Amazon.com