Beta Testing

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Beta testing is very common in the modern days. It is essential for the development of a product. It usually involves more than one phase of beta test. For example in massive multiplayer online games (MMO), there would usually be multiple beta tests. There are two different types of beta test, closed beta and open beta. During closed beta, people can apply to be beta testers on the game's website; the developers of the game would select a certain number of people to be the testers. After these people who had become the beta testers, they can send their feedback to the developers either on the game's forums or through email. The developers will fix the bugs that players had encountered and implement some of the things that thee players had suggested in their feedback. 

Closed beta will usually be in several phases, and in each phase, more people will be invited into the game as beta testers. After that, the game will be in one or two open beta tests, in which everyone can be a tester. When the developers of the game feel that their game is ready to be released, they will release the game.

A program or software's success depends how well its beta testing went.