To run tests on other machines that don't support Selenium.
To distribute your tests over multiple machines and virtual machines.
To get test results that are compatible with other open source codes.
To write codes that can't be cracked.
You need to use Haven
You need to use Maven
You need to use Saven
You need to use Daven
All of them
It can run browsers and multiple tests
It has the same functions as Selenium RC
It allows the browser to run on Mozilla Firefox
It controls the browser from the OS level
Easier to use
The final results are often hard to read
It takes too much time to connect with browsers
It cannot readily support new browsers
It's written in a code known to only a few developers
Any language you prefer