Extracteur de jus, centrifugeuse ou blender : que choisir ?

We're often told that freshly squeezed fruit and vegetable juices made at home are excellent for our health. But with so many juicers available, it's difficult to choose the right one, as the differences are so subtle! So, between a juice extractor, a centrifugal juicer, and a blender, which should you choose?