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WikiPedia: Opera_Software http://disclosure.szse.cn/finalpage/2018-02-15/120... http://www.foxkeh.com/downloads/history/history-or... http://www.gsma.com/newsroom/press-release/winners... http://timesofindia.indiatimes.com/tech/news/telec... http://www.markschenk.com/opera/history.html http://business.opera.com/company/contact http://www.opera.com/company/about/ http://www.opera.com/company/about/milestones/ http://www.opera.com/pressreleases/en/2005/01/12/ http://www.opera.com/pressreleases/en/2005/08/10/