elizabeth bryant is one smart cookie, you guys...
you should go to her site to see the full she-bang on how to get the 4-1-1 on how to get your carpet THIS CLEAN!
4. Using a white cloth (I strongly believe in microfiber washcloths), sponge the stain with the detergent/vinegar solution and blot until all the liquid is absorbed.
5. Sponge off with cold water and blot dry.