Mark Cuban and his record-setting jet
Mark Cuban and his record-setting jet

Private jets aren't anything new for the filthy rich, but Mark Cuban's purchase made it into the Guinness Book of World Records. Not for its $40 million price tag, but for becoming the single largest e-commerce transaction ever. Yes, he bought his plane online.

The serial entrepreneur and TV personality is currently worth $2.3 billion, according to Forbes' list of billionaires.

By Erin Kim @CNNMoneyTech - Last updated June 22 2012: 5:16 AM ET
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