Google Toolbar often distributed through product bundling with a primary download. Google Sidewiki was launched on September 23, 2009, allowing users to make comments, which are visible to the public, on any web page. Google uses ranking algorithms to determine comment relevancy and usefulness using criteria such as users voting up and down a comment and past contributions. Sidewiki is currently available for Internet Explorer and Firefox through Google Toolbar, the Google Chrome browser through an add-on, and for other browsers, like Safari, it is available as a bookmarklet. Web site owners cannot control Sidewiki comments, and there is currently no way
History of the web browser Line Mode Browser a cross-platform web browser that displayed web-pages on old terminals and was released in May 1991. In 1992, Tony Johnson released the MidasWWW browser. Based on Motif/X, MidasWWW allowed viewing of PostScript files on the Web from Unix and VMS, and even handled compressed PostScript. Another early popular Web browser was ViolaWWW, which was modeled after HyperCard. In the same year the Lynx browser was announced – the only one of these early projects still being maintained and supported today. Erwise was the first browser with a graphical user interface, developed as a student project at Helsinki