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Opera Software 宣布Opera 9首个公开Beta版发布。
Opera为来自挪威的一个极为出色的浏览器，具有速度快、节省系统资源、订制能力强、安全性高以及体积小等特点，目前已经是最受欢迎的浏览器之一。多文件接口(MDI)、方便的缩放功能、整合搜索引擎、键盘截径与鼠标浏览功能、当机时下次可以从上次浏览进度开始、防止pop-up、 Fullscreen、对HTML标准的支持、整合电子邮件与新闻群组以及让使用者自订接口按钮、skin、工具列等的排列方式，都是Opera多年来备受喜爱的特殊功能。
对于对互联网技术有进一步研究的用户，Opera也是一个不可多得的好工具，包括HTML的标准验证、支持WML(WAP)、可以创建关连窗口、显示窗口尺寸等功能，对于设计网页的工作者助益很大。而Opera精心为视障用户设计的一系列功能，也是一个特点。另外值得一提的是， Opera除了在Windows外，也支持Linux、Mac等桌面操作系统，值得拭目以待。另外在欧美推出的Nokia 9210i当中，也内建的 Opera在Symbian操作系统的浏览器，足见Opera在浏览器技术的实力。
New features in Opera 9 include：
Widgets - Small Web applications (multimedia, newsfeeds, games and more) that make your desktop experience more fun. Any Web developer can create their own Widgets and share them, regardless of operating system. Try the Widgets in Opera 9 by pressing F6. Look for further development of Opera Widgets in future releases.
BitTorrent - Instead of having to use a separate BitTorrent application for downloading large files, users can now simply click a torrent file and start the download
Content blocker - Choose the content you want to view. Remove ads or images - it is up to you. Right-click on the Web page and choose "Block content"
Improved rich text editing - Take advantage of rich text editing capabilities when using the latest Web mail or blogging services
Customize your search engines – Use your favorite search engine in the search box. Right-click on the site's search field and select "Create search" from the menu
Thumbnail preview – It's easy to have many tabs open at once in Opera. But exactly which tab had that video you wanted? Hover any tab to see a thumbnail preview
Site-specific preferences - Do you need to view a site in a different way or deny certain cookies? Want to block pop-ups on certain sites only? Site specific preferences hold the key
官方页面：http://www.opera.com/docs/changelogs/windows/900b1/
