Popular coffe among programmers because doesn't need a lot of care, like all commercial software. Its exciting taste has inspired thousands of programmers in writing incredible software, written in the very first ours of a day. Windows for example are written at 5:00 o'clock in the morning, favouring to this coffee! Result is guaranteed.
Nescaffe is a rather strong coffee, made by pouring hot water in a mixture of coffee, sugar and some water. You usually take 1 spoon of coffee and 1 spoon of sugar with just a bit of water, to mix it. In the meantime you should have the water boiling. As soon as the water is hot enough, you mix them all together and preferably add milk. Although you can use something simpler than a coffee-machine to boil the water, I have seen this scheme a lot of times...
Popular variation of the above mentioned coffee. Actually, it doesn't need any coffee-machine, rather a refridgerator to get cold water and ice-cubes.
This is a difficult one, read coffee-faq (see references)