Have you ever dropped red wine on a white carpet? Your nice pristine white carpet now has a ugly red stain. No worries you think, you can buy a carpet stain remover and all your worries will be over. But when you read the stain remover instructions it says first test on a small area before using. Do you test it or do you just willy-nilly spray on the stain remover? And that’s what a sandbox site is. It’s a way to test an update or upgrade before actually doing it on a live site.
