Sometimes, advertising gets it right. This one, put together for World Aids Day by Medecins Sans Frontieres is a great example of advertising at its best.

1) It conveys a very specific message.
2) It does so in a visually compelling way.
3) It is bound to affect the viewer.
4) It educates.
5) It is memorable.

The question is, will it move you to act?

Click here to see the video.