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 business model, unlike the business model of 1990s Netscape, primarily consists of doing deals with search engines such as Google to direct users towards them – see Web browser#Business models. In 2003, Microsoft announced that Internet Explorer would no longer be made available as a separate product but would be part of the evolution of its Windows platform, and that no more releases for the Macintosh would be made. AOL announced that it would retire support and development of the Netscape web browser in February 2008. In the second half of 2004, Internet Explorer reached a peak market share of