Privacy concerns regarding Google investigations or for the removal of child pornography". In 2008, Consumer Watchdog produced a video showing how Google Chrome records what a user types into the web address field and sends that information to Google servers to populate search suggestions. The video includes discussion regarding the potential privacy implications of this feature. Google Chrome includes a private browsing feature called "incognito browsing mode" that prevents the browser from permanently storing any browsing or download history information or cookies. Using incognito mode prevents tracking by the browser. However, the individual websites visited can still track and store information about visits. In
Opera (web browser) Google (which is by contract Opera's default search engine). Among the new features introduced in version 9.1 (released in 2006) was fraud protection using technology from GeoTrust, a digital certificate provider, and PhishTank, an organization that tracks known phishing web sites. This feature was further improved and expanded in version 9.5, when GeoTrust was replaced with Netcraft, and malware protection from Haute Secure was added. Also in 2006, Opera Software ASA released Internet Channel and Nintendo DS Browser for Nintendo's DS and Wii gaming systems. A new JavaScript engine called Carakan, after the Javanese alphabet, was introduced with version 10.50.