Today I learned that if you can put an avocado in a wool sock, it will ripen faster. I also learned that there's a company that makes special avocado-sized wool socks for just this purpose.
Simply insert an un-ripened avocado into the sock, and in as little as 24 hours, it will be ready to enjoy.
The natural lanolin and warmth of the wool ripens the avocados evenly and gently, and faster than a paper bag.
I'm reminded of this: