Apple's web browser has joined its latest OS, and joins the dots on a raft of new features that we've been promised for a while. These include iCloud tabs and a new tab view -- both Mountain Lion only -- alongside a new smart search and unified search (with support for Chinese search giant Baidu) and address bar. If your older OS is missing out on those iCloud tabs, there's some other good news, Reading Lists will now work without being online -- which all sounds very in-flight friendly. There's also a Do Not Track option to cover your internet tracks, but for al