1. Mozilla Firefox
1.1. Pros
1.1.1. 1: The browser runs glass smooth and has been rock stable in my linux distribution for quite some time now.
1.1.2. 2: Same performance as the last version, which I had no issues with.
1.2. Cons
1.2.1. 1: Minor bugs don't go away.
1.2.2. 2: Nothing that would make me switch to another browser.
2. Apple Safari 5
2.1. Pros
2.1.1. 1: It’s indeed faster than the latest Google Chrome 5 for Mac.
2.1.2. 2: If you accidentally closed a tab and would like to get it back on Cmd + Z will help you out.
2.2. Cons
2.2.1. 1: Web Kit2 is something that should have been there in Safari 5.
2.2.2. 2: Google cloud still broken.
3. Explorer 10
3.1. Pros
3.1.1. 1: Fast.
3.1.2. 2: High HTML5 compatability.
3.2. Cons
3.3. Cons
3.3.1. 1: Split personality in Window 8.
3.3.1.1. 2
3.3.2. 2: Two very different interfaces.
4. Opera 12.10
4.1. Pros
4.1.1. 1: Impressive feature set.
4.1.2. 2: Low disk space required.
4.2. Cons
4.2.1. 1: Poor speed.
4.2.2. 2: Poor scrolling.
5. Define
5.1. Browser: An internet browser is the program that you use to access the internet and view web pages on your computer.
5.2. Browser Extension (plug-in): In the case of web browsers, extensions are programs that are integrated into your browser application, usually providing additional functionality.
6. Chrome 27
6.1. Pros
6.1.1. 1: Leading support for HTML 5. Fast.
6.1.2. 2: Syncing. Built-in Flash player and PDF reader.
6.2. Cons
6.2.1. 1: Do Not Track privacy feature is buried and discouraged.
6.2.2. 2: Fonts occasionally jagged.