Garlic is seldom used as a whole in our cooking. It is almost always used minced. Various techniques are used to mince garlic and the interestingly the technique used affects its taste.
The shared link looks at the various techniques used in mincing garlic and discusses the pros and cons of these techniques. Having considered the various techniques the author recommends one with reasons for his recommendations.
If you are serious about fine and tasty cooking, this is a must read to arm yourself up with the requisite knowledge.