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References
- ↑ Smalera, Paul (April 9, 2010). "Yelp grows up". Fortune. CNN. Archived from the original on August 4, 2010. Retrieved August 4, 2010.
- 1 2 Wauters, Robin (June 14, 2010). "Yelp Co-Founder And CTO Russel Simmons Is Out". TechCrunch . Retrieved December 23, 2013.
- ↑ Soni, Jimmy (2022). The Founders The Story of Paypal and the Entrepreneurs Who Shaped Silicon Valley. New York: Simon & Schuster. ISBN 978-1-5011-9725-3. OCLC 1298387920.
- ↑ Parrish, Charlie (September 20, 2014). "The PayPal Mafia: Who are they and where are Silicon Valley's richest group of men now?". The Daily Telegraph. ISSN 0307-1235 . Retrieved January 8, 2018.
- ↑ Parrish, Charlie. "Meet The PayPal Mafia, The Richest Group Of Men In Silicon Valley". Business Insider. Retrieved February 5, 2021.
- ↑ "The U. of I. breeding ground". Chicago Tribune . April 28, 2012. Retrieved March 16, 2015.
The online review site was founded in 2004 by two U. of I. graduates and former PayPal employees, Jeremy Stoppelman (computer engineering, 1999) and Russel Simmons (computer science, 1998).
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