The makers of Mars Bars still use animal testing. Click on the link to take action against this abhorrent practice!
Learn more at MarsCandyKills.com.
To see just how abhorrent, watch the video you'll find there. Personally I couldn't take more than the first few minutes, but that was enough to convince me of the need to register a protest.
If you don't want to see the graphic evidence, you can read about it instead.
Sometimes we need to inform ourselves of the unpalatable, rather than stay in wilful ignorance and do nothing.