Firefox 3.0 recorded usage share of web browsers. Estimates of Firefox 3.0's global market share were generally in the range of 4–5%, and then dropped as users migrated to Firefox 3.5 and later Firefox 3.6. Partially as a result of this, between mid-December 2009 and the end of January 2010, Firefox 3.5 was the most popular browser (when counting individual browser versions), passing Internet Explorer 7. Mozilla ended support for Firefox 3 on March 30, 2010 with the release of 3.0.19. Firefox 3.0 was developed under the codename "Gran Paradiso". This, like other Firefox codenames, is the name of an actual place;
Yahoo! Toolbar Yahoo! Search Yahoo! Chrome Toolbar is the most recent addition to the Yahoo! Toolbar family. Opera and Safari are not supported. It has built-in algorithms to prevent pop-ups and spyware. Several additional features are available on the Internet Explorer version, as well as incorporating Firefox-style tabbed browsing to IE version 6.0 (versions 7.0 and later allow tabbed browsing). The Yahoo! Toolbar has a well known and dark history of being bundled with other software. The toolbar often installs itself without the user's knowledge or consent. Yahoo! is known for paying developers to place the toolbar into programs in such a