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|Born||January 18, 1970
|Known for||founding Masterseek|
Early on, Refer became an early developer of advanced web-crawler software, used to collect and index data from the internet. This made possible a variety of B2B applications. He founded and developed the B2B search engine Masterseek in 1999. He continues to serve as the company's President. In 2008, Refer bought the defunct search engine Accoona, integrating it with Masterseek.
Refer has been through several bankruptcies, of companies he has managed as well as a personal bankruptcy.
- "Profiles in Technology: Rasmus Refer, B2B Innovator". CBS Moneywatch. May 9, 2011. Retrieved 2011-05-09.
- "Masterseek Corp.". Businessweek. Retrieved 2011-05-08.
- Masterseek (June 27, 2008). "Search Engine is Looking for Strategic Investors". Reuters. Archived from the original on 6 Apr 2016. Retrieved 2011-05-08.
- Johnson, Nathania (November 5, 2008). "Accoona Acquired by Masterseek". Search Engine Watch. Retrieved 2011-05-08.
- Hartzer, Bill (November 5, 2008). "B2B Search Engine Accoona Acquired by Masterseek". BillHartzer.com: Search Engine Marketing. Retrieved 2011-05-08.
- Krangel, Eric (October 3, 2008). "Dead Search Engine Accoona Officially Dead". Business Insider. Retrieved 2011-05-08.
- "Global Business Search Engine to Strengthen Its Advertising Network for B2B Search". Reuters. June 26, 2008. Retrieved 2011-05-08.
- "Slutspil for dansk søgemaskine? Masterseeks stifter og topchef konkur (Playoff for Danish search engine? Masterseek founder and CEO bankruptcy)". Computerworld.dk. October 27, 2010. Retrieved 2014-07-03.
- "Dansker bag udvikling af nyt omfattende wiki site (Dane behind the development of new comprehensive wiki site)". MyPresswire. Retrieved 2014-07-25.
- "Rasmus Refer på Wiki-scoretur til gavn for Masterseek". Berlingske. Retrieved 2014-07-25.