Google Slides Microsoft Office-compatible document formats such as Word and Excel. Improvements based on DocVerse were announced and deployed in April 2010. In June 2012, Google acquired Quickoffice, a "leader in office productivity solutions", with particular emphasis on Quickoffice's "seamless interoperability with popular file formats". In October 2012, Google Presentations was renamed Google Slides and a Chrome app was released, which provided shortcuts to Slides on Chrome's new tab page. Google Slides is available as a web application supported on Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, and Apple Safari web browsers. Users can access presentations, as well as other files,
Embrace, extend, and extinguish extensions. For example, in 1995, Netscape implemented the "font" tag, among other HTML extensions, without seeking review from a standards body. With the rise of Internet Explorer, the two companies became locked in a dead heat to out-implement each other with non-standards-compliant features. In 2004, to prevent a repeat of the "browser wars", and the resulting morass of conflicting standards, the browser vendors Apple Inc. (Safari), Mozilla Foundation (Firefox), Google Inc. (Google Chrome) and Opera Software (Opera browser) formed the Web Hypertext Application Technology Working Group (WHATWG) to create open standards to complement those of the World Wide Web Consortium.