Google Personalized Search to users known through social networks. Google's search algorithm is driven by collecting and storing web history in its databases. For non-authenticated users Google looks at anonymously stored browser cookies on a user's browser and compares the unique string with those stored within Google databases. Google accounts logged into Google Chrome use user's web history to learn what sites and content you like and base the search results presented on them. Using the data provided by the user Google constructs a profile including gender, age, languages, and interests based on prior behaviour using Google services. When a user performs a
History of the Opera web browser default user interface was cleaned up and simplified. The default home page was an improved search portal. The changes displeased a number of existing users since some advanced settings became hidden. Version 8.0 introduced support for Scalable Vector Graphics (SVG) 1.1 Tiny. This marked the first major web browser to natively support some form of SVG. Version 8.5 was released on September 20, 2005. Opera announced that their browser would be available free of charge and without advertisements, although the company still continued to sell support contracts. Enhancements included automatic client-side fixing of web sites that did not render correctly,