UPDATED: 07/07/16 - I made it so each word that makes up an inked out message is a separate canvas. This makes the content flow like real words do - text wrapping, etc.
SPOILERS! It can be used for comment section in tv show sites. Better than "This comment has spoilers. Click here if you want to see." :) Just swipe!
Clever! I really do like this way of hiding things, rather than cutting it out or *ing it. In that case, perhaps it could also be used for censoring profanity.
Need to know how to enable it? Go here.