1. Opera 12.10
1.1. Pros
1.1.1. 1 Minimal interface
1.1.2. 2 Built-in mail and Bittorrent clients.
1.2. Cons
1.2.1. 1 Hardware acceleration not enabled by default.
1.2.2. 2 Occasionally sites won't display properly, though this is getting rare
2. Apple Safari 5
2.1. Pros
2.1.1. 1 The url bar is smarter and shows previously visited sites and top hits
2.1.2. 2 The best feature yet in v5 is the Safari Reader, an adaptation of bookmarklet "Readability"
2.2. Cons
2.2.1. 1 Extensions in Safari are disabled by default
2.2.2. 2 Not much has changed in version 5
3. HTML Readiness
3.1. 1 Chrome 21: 431
3.2. 2 Opera 12.14: 419
3.3. 3 Firefox 21: 399
3.4. 4 Internet Explorer 10: 320
3.5. 5 Safari 5: 258
4. Marketshare
5. Define
5.1. Browser: program people use to access the World Wide Web.
5.2. Browser Extension (Plug-in): allow developers to add functionality to the browser and enhance the user interface in a way that is not directly related to the viewable content of Web pages
6. Chrome 27
6.1. Pros
6.1.1. 1 Hardware acceleration.
6.1.2. 2 Built-in Flash player and PDF reader
6.2. Cons
6.2.1. 1 Fonts occasionally jagged
6.2.2. 2 Do Not Track privacy feature is buried and discouraged
7. Mozilla Firefox 21
7.1. Pros
7.1.1. 1 Syncing for tabs, history, passwords and now Extensions.
7.1.2. 2 Independent from large vendor
7.2. Cons
7.2.1. 1 Lacks client-side tracking protection like that found in IE9
7.2.2. 2 Lacks Chrome's built in Flash and Instant page view.
8. Explorer 10
8.1. Pros
8.1.1. 1 Tracking Protection and anti-phishing mechanism
8.1.2. 2 latest browser is faster, trimmer, more compliant with HTML5
8.2. Cons
8.2.1. 1 Only works in Windows 7 and Vista
8.2.2. 2 Behind other browsers in HTML5 support