This is what it means if you find a “bleach” spot on your underwear

This is what it means if you find a “bleach” spot on your underwear:

The Internet and the huge amount of information it offers are very useful tools for many reasons that anyone can list.

It seems to have a lot of benefits for our daily lives, but the fact that it’s a never-ending source of shared knowledge may be what makes it the best invention of the last few hundred years.